Home / 9,862.12-13,608.30-5,669.56

Finding the Fourth Proportional to 9,862.12, 13,608.30 and 5,669.56

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Solution

The fourth proportional to 9,862.12, 13,608.30 and 5,669.56 is: 7,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.12 : 13,608.30 = 5,669.56 : x
  2. Step 2: Convert to fraction form
    9,862.12/13,608.30 = 5,669.56/x
  3. Step 3: Cross multiply
    9,862.12x = 13,608.30 × 5,669.56
  4. Step 4: Simplify right side
    9,862.12x = 77,153,073.35
  5. Step 5: Solve for x
    x = 77,153,073.35/9,862.12
  6. Step 6: Final answer
    x = 7,823.17

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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.