Home / 9,387.49-14,085.16-4,119.78

Finding the Fourth Proportional to 9,387.49, 14,085.16 and 4,119.78

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Solution

The fourth proportional to 9,387.49, 14,085.16 and 4,119.78 is: 6,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.49 : 14,085.16 = 4,119.78 : x
  2. Step 2: Convert to fraction form
    9,387.49/14,085.16 = 4,119.78/x
  3. Step 3: Cross multiply
    9,387.49x = 14,085.16 × 4,119.78
  4. Step 4: Simplify right side
    9,387.49x = 58,027,750.17
  5. Step 5: Solve for x
    x = 58,027,750.17/9,387.49
  6. Step 6: Final answer
    x = 6,181.39

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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.