Home / 15,270.24-22,905.36-5,407.16

Finding the Fourth Proportional to 15,270.24, 22,905.36 and 5,407.16

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Solution

The fourth proportional to 15,270.24, 22,905.36 and 5,407.16 is: 8,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.24 : 22,905.36 = 5,407.16 : x
  2. Step 2: Convert to fraction form
    15,270.24/22,905.36 = 5,407.16/x
  3. Step 3: Cross multiply
    15,270.24x = 22,905.36 × 5,407.16
  4. Step 4: Simplify right side
    15,270.24x = 123,852,946.38
  5. Step 5: Solve for x
    x = 123,852,946.38/15,270.24
  6. Step 6: Final answer
    x = 8,110.74

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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.