Home / 10,889.04-15,026.80-5,921.04

Finding the Fourth Proportional to 10,889.04, 15,026.80 and 5,921.04

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Solution

The fourth proportional to 10,889.04, 15,026.80 and 5,921.04 is: 8,170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.04 : 15,026.80 = 5,921.04 : x
  2. Step 2: Convert to fraction form
    10,889.04/15,026.80 = 5,921.04/x
  3. Step 3: Cross multiply
    10,889.04x = 15,026.80 × 5,921.04
  4. Step 4: Simplify right side
    10,889.04x = 88,974,283.87
  5. Step 5: Solve for x
    x = 88,974,283.87/10,889.04
  6. Step 6: Final answer
    x = 8,170.99

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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.