Home / 14,895.86-20,581.17-12,407.54

Finding the Fourth Proportional to 14,895.86, 20,581.17 and 12,407.54

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Solution

The fourth proportional to 14,895.86, 20,581.17 and 12,407.54 is: 17,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.86 : 20,581.17 = 12,407.54 : x
  2. Step 2: Convert to fraction form
    14,895.86/20,581.17 = 12,407.54/x
  3. Step 3: Cross multiply
    14,895.86x = 20,581.17 × 12,407.54
  4. Step 4: Simplify right side
    14,895.86x = 255,361,690.02
  5. Step 5: Solve for x
    x = 255,361,690.02/14,895.86
  6. Step 6: Final answer
    x = 17,143.13

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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.