Home / 15,225.05-22,780.15-8,988.45

Finding the Fourth Proportional to 15,225.05, 22,780.15 and 8,988.45

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Solution

The fourth proportional to 15,225.05, 22,780.15 and 8,988.45 is: 13,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.05 : 22,780.15 = 8,988.45 : x
  2. Step 2: Convert to fraction form
    15,225.05/22,780.15 = 8,988.45/x
  3. Step 3: Cross multiply
    15,225.05x = 22,780.15 × 8,988.45
  4. Step 4: Simplify right side
    15,225.05x = 204,758,194.33
  5. Step 5: Solve for x
    x = 204,758,194.33/15,225.05
  6. Step 6: Final answer
    x = 13,448.77

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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.