Home / 10,290.95-14,201.42-5,575.22

Finding the Fourth Proportional to 10,290.95, 14,201.42 and 5,575.22

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Solution

The fourth proportional to 10,290.95, 14,201.42 and 5,575.22 is: 7,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.95 : 14,201.42 = 5,575.22 : x
  2. Step 2: Convert to fraction form
    10,290.95/14,201.42 = 5,575.22/x
  3. Step 3: Cross multiply
    10,290.95x = 14,201.42 × 5,575.22
  4. Step 4: Simplify right side
    10,290.95x = 79,175,941.93
  5. Step 5: Solve for x
    x = 79,175,941.93/10,290.95
  6. Step 6: Final answer
    x = 7,693.75

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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.