Home / 17,947.12-24,764.07-9,989.14

Finding the Fourth Proportional to 17,947.12, 24,764.07 and 9,989.14

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Solution

The fourth proportional to 17,947.12, 24,764.07 and 9,989.14 is: 13,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.12 : 24,764.07 = 9,989.14 : x
  2. Step 2: Convert to fraction form
    17,947.12/24,764.07 = 9,989.14/x
  3. Step 3: Cross multiply
    17,947.12x = 24,764.07 × 9,989.14
  4. Step 4: Simplify right side
    17,947.12x = 247,371,762.20
  5. Step 5: Solve for x
    x = 247,371,762.20/17,947.12
  6. Step 6: Final answer
    x = 13,783.37

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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.