Home / 10,290.90-14,201.51-5,575.18

Finding the Fourth Proportional to 10,290.90, 14,201.51 and 5,575.18

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Solution

The fourth proportional to 10,290.90, 14,201.51 and 5,575.18 is: 7,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.90 : 14,201.51 = 5,575.18 : x
  2. Step 2: Convert to fraction form
    10,290.90/14,201.51 = 5,575.18/x
  3. Step 3: Cross multiply
    10,290.90x = 14,201.51 × 5,575.18
  4. Step 4: Simplify right side
    10,290.90x = 79,175,911.14
  5. Step 5: Solve for x
    x = 79,175,911.14/10,290.90
  6. Step 6: Final answer
    x = 7,693.78

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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.