Home / 12,518.96-17,276.66-6,931.04

Finding the Fourth Proportional to 12,518.96, 17,276.66 and 6,931.04

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Solution

The fourth proportional to 12,518.96, 17,276.66 and 6,931.04 is: 9,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.96 : 17,276.66 = 6,931.04 : x
  2. Step 2: Convert to fraction form
    12,518.96/17,276.66 = 6,931.04/x
  3. Step 3: Cross multiply
    12,518.96x = 17,276.66 × 6,931.04
  4. Step 4: Simplify right side
    12,518.96x = 119,745,221.53
  5. Step 5: Solve for x
    x = 119,745,221.53/12,518.96
  6. Step 6: Final answer
    x = 9,565.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.