Home / 10,538.48-15,817.29-5,612.30

Finding the Fourth Proportional to 10,538.48, 15,817.29 and 5,612.30

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Solution

The fourth proportional to 10,538.48, 15,817.29 and 5,612.30 is: 8,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.48 : 15,817.29 = 5,612.30 : x
  2. Step 2: Convert to fraction form
    10,538.48/15,817.29 = 5,612.30/x
  3. Step 3: Cross multiply
    10,538.48x = 15,817.29 × 5,612.30
  4. Step 4: Simplify right side
    10,538.48x = 88,771,376.67
  5. Step 5: Solve for x
    x = 88,771,376.67/10,538.48
  6. Step 6: Final answer
    x = 8,423.55

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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.