Home / 9,263.12-12,781.73-5,230.13

Finding the Fourth Proportional to 9,263.12, 12,781.73 and 5,230.13

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Solution

The fourth proportional to 9,263.12, 12,781.73 and 5,230.13 is: 7,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.12 : 12,781.73 = 5,230.13 : x
  2. Step 2: Convert to fraction form
    9,263.12/12,781.73 = 5,230.13/x
  3. Step 3: Cross multiply
    9,263.12x = 12,781.73 × 5,230.13
  4. Step 4: Simplify right side
    9,263.12x = 66,850,058.69
  5. Step 5: Solve for x
    x = 66,850,058.69/9,263.12
  6. Step 6: Final answer
    x = 7,216.80

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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.