Home / 14,854.38-20,499.04-8,570.40

Finding the Fourth Proportional to 14,854.38, 20,499.04 and 8,570.40

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Solution

The fourth proportional to 14,854.38, 20,499.04 and 8,570.40 is: 11,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.38 : 20,499.04 = 8,570.40 : x
  2. Step 2: Convert to fraction form
    14,854.38/20,499.04 = 8,570.40/x
  3. Step 3: Cross multiply
    14,854.38x = 20,499.04 × 8,570.40
  4. Step 4: Simplify right side
    14,854.38x = 175,684,972.42
  5. Step 5: Solve for x
    x = 175,684,972.42/14,854.38
  6. Step 6: Final answer
    x = 11,827.15

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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.