Home / 15,220.76-22,864.14-12,885.53

Finding the Fourth Proportional to 15,220.76, 22,864.14 and 12,885.53

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Solution

The fourth proportional to 15,220.76, 22,864.14 and 12,885.53 is: 19,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,220.76 : 22,864.14 = 12,885.53 : x
  2. Step 2: Convert to fraction form
    15,220.76/22,864.14 = 12,885.53/x
  3. Step 3: Cross multiply
    15,220.76x = 22,864.14 × 12,885.53
  4. Step 4: Simplify right side
    15,220.76x = 294,616,447.57
  5. Step 5: Solve for x
    x = 294,616,447.57/15,220.76
  6. Step 6: Final answer
    x = 19,356.23

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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.