Home / 22,659.17-31,263.18-13,700.18

Finding the Fourth Proportional to 22,659.17, 31,263.18 and 13,700.18

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Solution

The fourth proportional to 22,659.17, 31,263.18 and 13,700.18 is: 18,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.17 : 31,263.18 = 13,700.18 : x
  2. Step 2: Convert to fraction form
    22,659.17/31,263.18 = 13,700.18/x
  3. Step 3: Cross multiply
    22,659.17x = 31,263.18 × 13,700.18
  4. Step 4: Simplify right side
    22,659.17x = 428,311,193.37
  5. Step 5: Solve for x
    x = 428,311,193.37/22,659.17
  6. Step 6: Final answer
    x = 18,902.33

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1.5x scale

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.