Home / 21,543.13-32,314.70-12,773.26

Finding the Fourth Proportional to 21,543.13, 32,314.70 and 12,773.26

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Solution

The fourth proportional to 21,543.13, 32,314.70 and 12,773.26 is: 19,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.13 : 32,314.70 = 12,773.26 : x
  2. Step 2: Convert to fraction form
    21,543.13/32,314.70 = 12,773.26/x
  3. Step 3: Cross multiply
    21,543.13x = 32,314.70 × 12,773.26
  4. Step 4: Simplify right side
    21,543.13x = 412,764,016.07
  5. Step 5: Solve for x
    x = 412,764,016.07/21,543.13
  6. Step 6: Final answer
    x = 19,159.89

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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.