Home / 22,561.56-31,114.68-14,595.48

Finding the Fourth Proportional to 22,561.56, 31,114.68 and 14,595.48

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Solution

The fourth proportional to 22,561.56, 31,114.68 and 14,595.48 is: 20,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,561.56 : 31,114.68 = 14,595.48 : x
  2. Step 2: Convert to fraction form
    22,561.56/31,114.68 = 14,595.48/x
  3. Step 3: Cross multiply
    22,561.56x = 31,114.68 × 14,595.48
  4. Step 4: Simplify right side
    22,561.56x = 454,133,689.65
  5. Step 5: Solve for x
    x = 454,133,689.65/22,561.56
  6. Step 6: Final answer
    x = 20,128.65

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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.