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Finding the Fourth Proportional to 11,315, 16,956.12 and 9,925.04

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Solution

The fourth proportional to 11,315, 16,956.12 and 9,925.04 is: 14,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315 : 16,956.12 = 9,925.04 : x
  2. Step 2: Convert to fraction form
    11,315/16,956.12 = 9,925.04/x
  3. Step 3: Cross multiply
    11,315x = 16,956.12 × 9,925.04
  4. Step 4: Simplify right side
    11,315x = 168,290,169.24
  5. Step 5: Solve for x
    x = 168,290,169.24/11,315
  6. Step 6: Final answer
    x = 14,873.19

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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.