Home / 15,532.32-21,438.18-9,484.62

Finding the Fourth Proportional to 15,532.32, 21,438.18 and 9,484.62

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Solution

The fourth proportional to 15,532.32, 21,438.18 and 9,484.62 is: 13,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.32 : 21,438.18 = 9,484.62 : x
  2. Step 2: Convert to fraction form
    15,532.32/21,438.18 = 9,484.62/x
  3. Step 3: Cross multiply
    15,532.32x = 21,438.18 × 9,484.62
  4. Step 4: Simplify right side
    15,532.32x = 203,332,990.79
  5. Step 5: Solve for x
    x = 203,332,990.79/15,532.32
  6. Step 6: Final answer
    x = 13,090.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.