Home / 16,784.11-25,127.57-12,641.57

Finding the Fourth Proportional to 16,784.11, 25,127.57 and 12,641.57

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Solution

The fourth proportional to 16,784.11, 25,127.57 and 12,641.57 is: 18,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.11 : 25,127.57 = 12,641.57 : x
  2. Step 2: Convert to fraction form
    16,784.11/25,127.57 = 12,641.57/x
  3. Step 3: Cross multiply
    16,784.11x = 25,127.57 × 12,641.57
  4. Step 4: Simplify right side
    16,784.11x = 317,651,864.17
  5. Step 5: Solve for x
    x = 317,651,864.17/16,784.11
  6. Step 6: Final answer
    x = 18,925.75

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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.