Home / 10,439.88-14,407.11-5,724.06

Finding the Fourth Proportional to 10,439.88, 14,407.11 and 5,724.06

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Solution

The fourth proportional to 10,439.88, 14,407.11 and 5,724.06 is: 7,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.88 : 14,407.11 = 5,724.06 : x
  2. Step 2: Convert to fraction form
    10,439.88/14,407.11 = 5,724.06/x
  3. Step 3: Cross multiply
    10,439.88x = 14,407.11 × 5,724.06
  4. Step 4: Simplify right side
    10,439.88x = 82,467,162.07
  5. Step 5: Solve for x
    x = 82,467,162.07/10,439.88
  6. Step 6: Final answer
    x = 7,899.24

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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.