Home / 17,518.90-26,377.10-15,451.78

Finding the Fourth Proportional to 17,518.90, 26,377.10 and 15,451.78

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Solution

The fourth proportional to 17,518.90, 26,377.10 and 15,451.78 is: 23,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.90 : 26,377.10 = 15,451.78 : x
  2. Step 2: Convert to fraction form
    17,518.90/26,377.10 = 15,451.78/x
  3. Step 3: Cross multiply
    17,518.90x = 26,377.10 × 15,451.78
  4. Step 4: Simplify right side
    17,518.90x = 407,573,068.98
  5. Step 5: Solve for x
    x = 407,573,068.98/17,518.90
  6. Step 6: Final answer
    x = 23,264.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.