Home / 22,935.54-31,649.18-12,862.62

Finding the Fourth Proportional to 22,935.54, 31,649.18 and 12,862.62

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Solution

The fourth proportional to 22,935.54, 31,649.18 and 12,862.62 is: 17,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.54 : 31,649.18 = 12,862.62 : x
  2. Step 2: Convert to fraction form
    22,935.54/31,649.18 = 12,862.62/x
  3. Step 3: Cross multiply
    22,935.54x = 31,649.18 × 12,862.62
  4. Step 4: Simplify right side
    22,935.54x = 407,091,311.34
  5. Step 5: Solve for x
    x = 407,091,311.34/22,935.54
  6. Step 6: Final answer
    x = 17,749.37

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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.