Home / 22,239.46-30,715.65-15,153.58

Finding the Fourth Proportional to 22,239.46, 30,715.65 and 15,153.58

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Solution

The fourth proportional to 22,239.46, 30,715.65 and 15,153.58 is: 20,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.46 : 30,715.65 = 15,153.58 : x
  2. Step 2: Convert to fraction form
    22,239.46/30,715.65 = 15,153.58/x
  3. Step 3: Cross multiply
    22,239.46x = 30,715.65 × 15,153.58
  4. Step 4: Simplify right side
    22,239.46x = 465,452,059.53
  5. Step 5: Solve for x
    x = 465,452,059.53/22,239.46
  6. Step 6: Final answer
    x = 20,929.11

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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.