Home / 15,799.56-21,803.34-9,512.28

Finding the Fourth Proportional to 15,799.56, 21,803.34 and 9,512.28

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Solution

The fourth proportional to 15,799.56, 21,803.34 and 9,512.28 is: 13,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.56 : 21,803.34 = 9,512.28 : x
  2. Step 2: Convert to fraction form
    15,799.56/21,803.34 = 9,512.28/x
  3. Step 3: Cross multiply
    15,799.56x = 21,803.34 × 9,512.28
  4. Step 4: Simplify right side
    15,799.56x = 207,399,475.02
  5. Step 5: Solve for x
    x = 207,399,475.02/15,799.56
  6. Step 6: Final answer
    x = 13,126.91

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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.