Home / 15,110.64-22,649.40-12,912.66

Finding the Fourth Proportional to 15,110.64, 22,649.40 and 12,912.66

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Solution

The fourth proportional to 15,110.64, 22,649.40 and 12,912.66 is: 19,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.64 : 22,649.40 = 12,912.66 : x
  2. Step 2: Convert to fraction form
    15,110.64/22,649.40 = 12,912.66/x
  3. Step 3: Cross multiply
    15,110.64x = 22,649.40 × 12,912.66
  4. Step 4: Simplify right side
    15,110.64x = 292,464,001.40
  5. Step 5: Solve for x
    x = 292,464,001.40/15,110.64
  6. Step 6: Final answer
    x = 19,354.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.