Home / 13,377.90-20,064.78-5,053.74

Finding the Fourth Proportional to 13,377.90, 20,064.78 and 5,053.74

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Solution

The fourth proportional to 13,377.90, 20,064.78 and 5,053.74 is: 7,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.90 : 20,064.78 = 5,053.74 : x
  2. Step 2: Convert to fraction form
    13,377.90/20,064.78 = 5,053.74/x
  3. Step 3: Cross multiply
    13,377.90x = 20,064.78 × 5,053.74
  4. Step 4: Simplify right side
    13,377.90x = 101,402,181.28
  5. Step 5: Solve for x
    x = 101,402,181.28/13,377.90
  6. Step 6: Final answer
    x = 7,579.83

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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.