Home / 15,314.22-22,972.16-4,785.68

Finding the Fourth Proportional to 15,314.22, 22,972.16 and 4,785.68

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Solution

The fourth proportional to 15,314.22, 22,972.16 and 4,785.68 is: 7,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.22 : 22,972.16 = 4,785.68 : x
  2. Step 2: Convert to fraction form
    15,314.22/22,972.16 = 4,785.68/x
  3. Step 3: Cross multiply
    15,314.22x = 22,972.16 × 4,785.68
  4. Step 4: Simplify right side
    15,314.22x = 109,937,406.67
  5. Step 5: Solve for x
    x = 109,937,406.67/15,314.22
  6. Step 6: Final answer
    x = 7,178.78

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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.