Home / 9,882.20-14,820.60-4,039.40

Finding the Fourth Proportional to 9,882.20, 14,820.60 and 4,039.40

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Solution

The fourth proportional to 9,882.20, 14,820.60 and 4,039.40 is: 6,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882.20 : 14,820.60 = 4,039.40 : x
  2. Step 2: Convert to fraction form
    9,882.20/14,820.60 = 4,039.40/x
  3. Step 3: Cross multiply
    9,882.20x = 14,820.60 × 4,039.40
  4. Step 4: Simplify right side
    9,882.20x = 59,866,331.64
  5. Step 5: Solve for x
    x = 59,866,331.64/9,882.20
  6. Step 6: Final answer
    x = 6,058.00

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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.