Home / 18,695.17-28,061.46-13,436.35

Finding the Fourth Proportional to 18,695.17, 28,061.46 and 13,436.35

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Solution

The fourth proportional to 18,695.17, 28,061.46 and 13,436.35 is: 20,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.17 : 28,061.46 = 13,436.35 : x
  2. Step 2: Convert to fraction form
    18,695.17/28,061.46 = 13,436.35/x
  3. Step 3: Cross multiply
    18,695.17x = 28,061.46 × 13,436.35
  4. Step 4: Simplify right side
    18,695.17x = 377,043,598.07
  5. Step 5: Solve for x
    x = 377,043,598.07/18,695.17
  6. Step 6: Final answer
    x = 20,167.97

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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.