Home / 22,719.06-31,349.20-12,646.18

Finding the Fourth Proportional to 22,719.06, 31,349.20 and 12,646.18

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Solution

The fourth proportional to 22,719.06, 31,349.20 and 12,646.18 is: 17,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.06 : 31,349.20 = 12,646.18 : x
  2. Step 2: Convert to fraction form
    22,719.06/31,349.20 = 12,646.18/x
  3. Step 3: Cross multiply
    22,719.06x = 31,349.20 × 12,646.18
  4. Step 4: Simplify right side
    22,719.06x = 396,447,516.57
  5. Step 5: Solve for x
    x = 396,447,516.57/22,719.06
  6. Step 6: Final answer
    x = 17,450.00

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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.