Home / 12,757.48-19,119.68-9,444.18

Finding the Fourth Proportional to 12,757.48, 19,119.68 and 9,444.18

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Solution

The fourth proportional to 12,757.48, 19,119.68 and 9,444.18 is: 14,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.48 : 19,119.68 = 9,444.18 : x
  2. Step 2: Convert to fraction form
    12,757.48/19,119.68 = 9,444.18/x
  3. Step 3: Cross multiply
    12,757.48x = 19,119.68 × 9,444.18
  4. Step 4: Simplify right side
    12,757.48x = 180,569,699.46
  5. Step 5: Solve for x
    x = 180,569,699.46/12,757.48
  6. Step 6: Final answer
    x = 14,154.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.