Home / 10,369.28-15,487.83-9,380.58

Finding the Fourth Proportional to 10,369.28, 15,487.83 and 9,380.58

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Solution

The fourth proportional to 10,369.28, 15,487.83 and 9,380.58 is: 14,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.28 : 15,487.83 = 9,380.58 : x
  2. Step 2: Convert to fraction form
    10,369.28/15,487.83 = 9,380.58/x
  3. Step 3: Cross multiply
    10,369.28x = 15,487.83 × 9,380.58
  4. Step 4: Simplify right side
    10,369.28x = 145,284,828.34
  5. Step 5: Solve for x
    x = 145,284,828.34/10,369.28
  6. Step 6: Final answer
    x = 14,011.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.