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Finding the Fourth Proportional to 16,506.48, 24,747.40 and 9,931.12

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Solution

The fourth proportional to 16,506.48, 24,747.40 and 9,931.12 is: 14,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.48 : 24,747.40 = 9,931.12 : x
  2. Step 2: Convert to fraction form
    16,506.48/24,747.40 = 9,931.12/x
  3. Step 3: Cross multiply
    16,506.48x = 24,747.40 × 9,931.12
  4. Step 4: Simplify right side
    16,506.48x = 245,769,460.96
  5. Step 5: Solve for x
    x = 245,769,460.96/16,506.48
  6. Step 6: Final answer
    x = 14,889.27

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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.