Home / 10,101.90-13,938.92-5,625.58

Finding the Fourth Proportional to 10,101.90, 13,938.92 and 5,625.58

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Solution

The fourth proportional to 10,101.90, 13,938.92 and 5,625.58 is: 7,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.90 : 13,938.92 = 5,625.58 : x
  2. Step 2: Convert to fraction form
    10,101.90/13,938.92 = 5,625.58/x
  3. Step 3: Cross multiply
    10,101.90x = 13,938.92 × 5,625.58
  4. Step 4: Simplify right side
    10,101.90x = 78,414,509.57
  5. Step 5: Solve for x
    x = 78,414,509.57/10,101.90
  6. Step 6: Final answer
    x = 7,762.35

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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.