Home / 15,533.80-23,300.70-8,511.10

Finding the Fourth Proportional to 15,533.80, 23,300.70 and 8,511.10

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Solution

The fourth proportional to 15,533.80, 23,300.70 and 8,511.10 is: 12,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.80 : 23,300.70 = 8,511.10 : x
  2. Step 2: Convert to fraction form
    15,533.80/23,300.70 = 8,511.10/x
  3. Step 3: Cross multiply
    15,533.80x = 23,300.70 × 8,511.10
  4. Step 4: Simplify right side
    15,533.80x = 198,314,587.77
  5. Step 5: Solve for x
    x = 198,314,587.77/15,533.80
  6. Step 6: Final answer
    x = 12,766.65

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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.