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Finding the Fourth Proportional to 16,899.70, 25,349.55 and 9,504.40

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Solution

The fourth proportional to 16,899.70, 25,349.55 and 9,504.40 is: 14,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.70 : 25,349.55 = 9,504.40 : x
  2. Step 2: Convert to fraction form
    16,899.70/25,349.55 = 9,504.40/x
  3. Step 3: Cross multiply
    16,899.70x = 25,349.55 × 9,504.40
  4. Step 4: Simplify right side
    16,899.70x = 240,932,263.02
  5. Step 5: Solve for x
    x = 240,932,263.02/16,899.70
  6. Step 6: Final answer
    x = 14,256.60

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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.