Home / 15,295.54-22,839.71-12,140.14

Finding the Fourth Proportional to 15,295.54, 22,839.71 and 12,140.14

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Solution

The fourth proportional to 15,295.54, 22,839.71 and 12,140.14 is: 18,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295.54 : 22,839.71 = 12,140.14 : x
  2. Step 2: Convert to fraction form
    15,295.54/22,839.71 = 12,140.14/x
  3. Step 3: Cross multiply
    15,295.54x = 22,839.71 × 12,140.14
  4. Step 4: Simplify right side
    15,295.54x = 277,277,276.96
  5. Step 5: Solve for x
    x = 277,277,276.96/15,295.54
  6. Step 6: Final answer
    x = 18,127.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.