Home / 15,260.72-21,061.56-9,295.88

Finding the Fourth Proportional to 15,260.72, 21,061.56 and 9,295.88

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Solution

The fourth proportional to 15,260.72, 21,061.56 and 9,295.88 is: 12,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.72 : 21,061.56 = 9,295.88 : x
  2. Step 2: Convert to fraction form
    15,260.72/21,061.56 = 9,295.88/x
  3. Step 3: Cross multiply
    15,260.72x = 21,061.56 × 9,295.88
  4. Step 4: Simplify right side
    15,260.72x = 195,785,734.37
  5. Step 5: Solve for x
    x = 195,785,734.37/15,260.72
  6. Step 6: Final answer
    x = 12,829.39

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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.