Home / 9,972.35-13,763.15-6,445.80

Finding the Fourth Proportional to 9,972.35, 13,763.15 and 6,445.80

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Solution

The fourth proportional to 9,972.35, 13,763.15 and 6,445.80 is: 8,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.35 : 13,763.15 = 6,445.80 : x
  2. Step 2: Convert to fraction form
    9,972.35/13,763.15 = 6,445.80/x
  3. Step 3: Cross multiply
    9,972.35x = 13,763.15 × 6,445.80
  4. Step 4: Simplify right side
    9,972.35x = 88,714,480.04
  5. Step 5: Solve for x
    x = 88,714,480.04/9,972.35
  6. Step 6: Final answer
    x = 8,896.05

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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.