Home / 10,724.46-14,720.84-9,519.18

Finding the Fourth Proportional to 10,724.46, 14,720.84 and 9,519.18

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Solution

The fourth proportional to 10,724.46, 14,720.84 and 9,519.18 is: 13,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.46 : 14,720.84 = 9,519.18 : x
  2. Step 2: Convert to fraction form
    10,724.46/14,720.84 = 9,519.18/x
  3. Step 3: Cross multiply
    10,724.46x = 14,720.84 × 9,519.18
  4. Step 4: Simplify right side
    10,724.46x = 140,130,278.12
  5. Step 5: Solve for x
    x = 140,130,278.12/10,724.46
  6. Step 6: Final answer
    x = 13,066.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.