Home / 10,569.80-15,853.43-2,779.22

Finding the Fourth Proportional to 10,569.80, 15,853.43 and 2,779.22

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Solution

The fourth proportional to 10,569.80, 15,853.43 and 2,779.22 is: 4,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.80 : 15,853.43 = 2,779.22 : x
  2. Step 2: Convert to fraction form
    10,569.80/15,853.43 = 2,779.22/x
  3. Step 3: Cross multiply
    10,569.80x = 15,853.43 × 2,779.22
  4. Step 4: Simplify right side
    10,569.80x = 44,060,097.41
  5. Step 5: Solve for x
    x = 44,060,097.41/10,569.80
  6. Step 6: Final answer
    x = 4,168.49

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Similar ratio
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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.