Home / 15,543.30-23,314.95-12,773.10

Finding the Fourth Proportional to 15,543.30, 23,314.95 and 12,773.10

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Solution

The fourth proportional to 15,543.30, 23,314.95 and 12,773.10 is: 19,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.30 : 23,314.95 = 12,773.10 : x
  2. Step 2: Convert to fraction form
    15,543.30/23,314.95 = 12,773.10/x
  3. Step 3: Cross multiply
    15,543.30x = 23,314.95 × 12,773.10
  4. Step 4: Simplify right side
    15,543.30x = 297,804,187.85
  5. Step 5: Solve for x
    x = 297,804,187.85/15,543.30
  6. Step 6: Final answer
    x = 19,159.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.