Home / 15,947.36-22,006.32-9,663.20

Finding the Fourth Proportional to 15,947.36, 22,006.32 and 9,663.20

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Solution

The fourth proportional to 15,947.36, 22,006.32 and 9,663.20 is: 13,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.36 : 22,006.32 = 9,663.20 : x
  2. Step 2: Convert to fraction form
    15,947.36/22,006.32 = 9,663.20/x
  3. Step 3: Cross multiply
    15,947.36x = 22,006.32 × 9,663.20
  4. Step 4: Simplify right side
    15,947.36x = 212,651,471.42
  5. Step 5: Solve for x
    x = 212,651,471.42/15,947.36
  6. Step 6: Final answer
    x = 13,334.59

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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.