Home / 22,430.52-30,947.27-12,997.26

Finding the Fourth Proportional to 22,430.52, 30,947.27 and 12,997.26

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Solution

The fourth proportional to 22,430.52, 30,947.27 and 12,997.26 is: 17,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.52 : 30,947.27 = 12,997.26 : x
  2. Step 2: Convert to fraction form
    22,430.52/30,947.27 = 12,997.26/x
  3. Step 3: Cross multiply
    22,430.52x = 30,947.27 × 12,997.26
  4. Step 4: Simplify right side
    22,430.52x = 402,229,649.49
  5. Step 5: Solve for x
    x = 402,229,649.49/22,430.52
  6. Step 6: Final answer
    x = 17,932.25

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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.