Home / 15,437.97-23,137.95-8,780.05

Finding the Fourth Proportional to 15,437.97, 23,137.95 and 8,780.05

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Solution

The fourth proportional to 15,437.97, 23,137.95 and 8,780.05 is: 13,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.97 : 23,137.95 = 8,780.05 : x
  2. Step 2: Convert to fraction form
    15,437.97/23,137.95 = 8,780.05/x
  3. Step 3: Cross multiply
    15,437.97x = 23,137.95 × 8,780.05
  4. Step 4: Simplify right side
    15,437.97x = 203,152,357.90
  5. Step 5: Solve for x
    x = 203,152,357.90/15,437.97
  6. Step 6: Final answer
    x = 13,159.27

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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.