Home / 22,392.30-30,901.47-12,320.48

Finding the Fourth Proportional to 22,392.30, 30,901.47 and 12,320.48

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Solution

The fourth proportional to 22,392.30, 30,901.47 and 12,320.48 is: 17,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.30 : 30,901.47 = 12,320.48 : x
  2. Step 2: Convert to fraction form
    22,392.30/30,901.47 = 12,320.48/x
  3. Step 3: Cross multiply
    22,392.30x = 30,901.47 × 12,320.48
  4. Step 4: Simplify right side
    22,392.30x = 380,720,991.20
  5. Step 5: Solve for x
    x = 380,720,991.20/22,392.30
  6. Step 6: Final answer
    x = 17,002.32

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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.