Home / 15,972.58-22,041.21-9,257.68

Finding the Fourth Proportional to 15,972.58, 22,041.21 and 9,257.68

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Solution

The fourth proportional to 15,972.58, 22,041.21 and 9,257.68 is: 12,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.58 : 22,041.21 = 9,257.68 : x
  2. Step 2: Convert to fraction form
    15,972.58/22,041.21 = 9,257.68/x
  3. Step 3: Cross multiply
    15,972.58x = 22,041.21 × 9,257.68
  4. Step 4: Simplify right side
    15,972.58x = 204,050,468.99
  5. Step 5: Solve for x
    x = 204,050,468.99/15,972.58
  6. Step 6: Final answer
    x = 12,775.05

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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.