Home / 10,377.35-15,570.60-5,445.80

Finding the Fourth Proportional to 10,377.35, 15,570.60 and 5,445.80

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Solution

The fourth proportional to 10,377.35, 15,570.60 and 5,445.80 is: 8,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.35 : 15,570.60 = 5,445.80 : x
  2. Step 2: Convert to fraction form
    10,377.35/15,570.60 = 5,445.80/x
  3. Step 3: Cross multiply
    10,377.35x = 15,570.60 × 5,445.80
  4. Step 4: Simplify right side
    10,377.35x = 84,794,333.60
  5. Step 5: Solve for x
    x = 84,794,333.60/10,377.35
  6. Step 6: Final answer
    x = 8,171.10

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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.