Home / 22,048.30-30,426.19-12,487.47

Finding the Fourth Proportional to 22,048.30, 30,426.19 and 12,487.47

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Solution

The fourth proportional to 22,048.30, 30,426.19 and 12,487.47 is: 17,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.30 : 30,426.19 = 12,487.47 : x
  2. Step 2: Convert to fraction form
    22,048.30/30,426.19 = 12,487.47/x
  3. Step 3: Cross multiply
    22,048.30x = 30,426.19 × 12,487.47
  4. Step 4: Simplify right side
    22,048.30x = 379,946,134.84
  5. Step 5: Solve for x
    x = 379,946,134.84/22,048.30
  6. Step 6: Final answer
    x = 17,232.45

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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.