Home / 22,574.83-31,154.38-13,622.18

Finding the Fourth Proportional to 22,574.83, 31,154.38 and 13,622.18

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Solution

The fourth proportional to 22,574.83, 31,154.38 and 13,622.18 is: 18,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.83 : 31,154.38 = 13,622.18 : x
  2. Step 2: Convert to fraction form
    22,574.83/31,154.38 = 13,622.18/x
  3. Step 3: Cross multiply
    22,574.83x = 31,154.38 × 13,622.18
  4. Step 4: Simplify right side
    22,574.83x = 424,390,416.38
  5. Step 5: Solve for x
    x = 424,390,416.38/22,574.83
  6. Step 6: Final answer
    x = 18,799.27

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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.