Home / 10,275.03-15,391.77-7,926.90

Finding the Fourth Proportional to 10,275.03, 15,391.77 and 7,926.90

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Solution

The fourth proportional to 10,275.03, 15,391.77 and 7,926.90 is: 11,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.03 : 15,391.77 = 7,926.90 : x
  2. Step 2: Convert to fraction form
    10,275.03/15,391.77 = 7,926.90/x
  3. Step 3: Cross multiply
    10,275.03x = 15,391.77 × 7,926.90
  4. Step 4: Simplify right side
    10,275.03x = 122,009,021.61
  5. Step 5: Solve for x
    x = 122,009,021.61/10,275.03
  6. Step 6: Final answer
    x = 11,874.32

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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.