Home / 10,378.83-15,572.13-6,221.80

Finding the Fourth Proportional to 10,378.83, 15,572.13 and 6,221.80

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Solution

The fourth proportional to 10,378.83, 15,572.13 and 6,221.80 is: 9,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.83 : 15,572.13 = 6,221.80 : x
  2. Step 2: Convert to fraction form
    10,378.83/15,572.13 = 6,221.80/x
  3. Step 3: Cross multiply
    10,378.83x = 15,572.13 × 6,221.80
  4. Step 4: Simplify right side
    10,378.83x = 96,886,616.13
  5. Step 5: Solve for x
    x = 96,886,616.13/10,378.83
  6. Step 6: Final answer
    x = 9,335.03

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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.