Home / 14,377.78-19,841.28-8,090.26

Finding the Fourth Proportional to 14,377.78, 19,841.28 and 8,090.26

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Solution

The fourth proportional to 14,377.78, 19,841.28 and 8,090.26 is: 11,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.78 : 19,841.28 = 8,090.26 : x
  2. Step 2: Convert to fraction form
    14,377.78/19,841.28 = 8,090.26/x
  3. Step 3: Cross multiply
    14,377.78x = 19,841.28 × 8,090.26
  4. Step 4: Simplify right side
    14,377.78x = 160,521,113.93
  5. Step 5: Solve for x
    x = 160,521,113.93/14,377.78
  6. Step 6: Final answer
    x = 11,164.53

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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.