Home / 13,948.19-20,925.17-4,086.63

Finding the Fourth Proportional to 13,948.19, 20,925.17 and 4,086.63

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Solution

The fourth proportional to 13,948.19, 20,925.17 and 4,086.63 is: 6,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.19 : 20,925.17 = 4,086.63 : x
  2. Step 2: Convert to fraction form
    13,948.19/20,925.17 = 4,086.63/x
  3. Step 3: Cross multiply
    13,948.19x = 20,925.17 × 4,086.63
  4. Step 4: Simplify right side
    13,948.19x = 85,513,407.04
  5. Step 5: Solve for x
    x = 85,513,407.04/13,948.19
  6. Step 6: Final answer
    x = 6,130.79

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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.