Home / 13,718.61-20,577.65-4,359.18

Finding the Fourth Proportional to 13,718.61, 20,577.65 and 4,359.18

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Solution

The fourth proportional to 13,718.61, 20,577.65 and 4,359.18 is: 6,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.61 : 20,577.65 = 4,359.18 : x
  2. Step 2: Convert to fraction form
    13,718.61/20,577.65 = 4,359.18/x
  3. Step 3: Cross multiply
    13,718.61x = 20,577.65 × 4,359.18
  4. Step 4: Simplify right side
    13,718.61x = 89,701,658.53
  5. Step 5: Solve for x
    x = 89,701,658.53/13,718.61
  6. Step 6: Final answer
    x = 6,538.68

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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.