Home / 13,717.95-20,569.56-4,355.43

Finding the Fourth Proportional to 13,717.95, 20,569.56 and 4,355.43

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Solution

The fourth proportional to 13,717.95, 20,569.56 and 4,355.43 is: 6,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.95 : 20,569.56 = 4,355.43 : x
  2. Step 2: Convert to fraction form
    13,717.95/20,569.56 = 4,355.43/x
  3. Step 3: Cross multiply
    13,717.95x = 20,569.56 × 4,355.43
  4. Step 4: Simplify right side
    13,717.95x = 89,589,278.71
  5. Step 5: Solve for x
    x = 89,589,278.71/13,717.95
  6. Step 6: Final answer
    x = 6,530.81

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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.