Home / 16,487.56-24,728.78-5,394.20

Finding the Fourth Proportional to 16,487.56, 24,728.78 and 5,394.20

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Solution

The fourth proportional to 16,487.56, 24,728.78 and 5,394.20 is: 8,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.56 : 24,728.78 = 5,394.20 : x
  2. Step 2: Convert to fraction form
    16,487.56/24,728.78 = 5,394.20/x
  3. Step 3: Cross multiply
    16,487.56x = 24,728.78 × 5,394.20
  4. Step 4: Simplify right side
    16,487.56x = 133,391,985.08
  5. Step 5: Solve for x
    x = 133,391,985.08/16,487.56
  6. Step 6: Final answer
    x = 8,090.46

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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.