Home / 15,297.20-22,929.40-7,899.68

Finding the Fourth Proportional to 15,297.20, 22,929.40 and 7,899.68

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Solution

The fourth proportional to 15,297.20, 22,929.40 and 7,899.68 is: 11,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.20 : 22,929.40 = 7,899.68 : x
  2. Step 2: Convert to fraction form
    15,297.20/22,929.40 = 7,899.68/x
  3. Step 3: Cross multiply
    15,297.20x = 22,929.40 × 7,899.68
  4. Step 4: Simplify right side
    15,297.20x = 181,134,922.59
  5. Step 5: Solve for x
    x = 181,134,922.59/15,297.20
  6. Step 6: Final answer
    x = 11,841.05

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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.