Home / 9,947.10-13,726.30-5,697.63

Finding the Fourth Proportional to 9,947.10, 13,726.30 and 5,697.63

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Solution

The fourth proportional to 9,947.10, 13,726.30 and 5,697.63 is: 7,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.10 : 13,726.30 = 5,697.63 : x
  2. Step 2: Convert to fraction form
    9,947.10/13,726.30 = 5,697.63/x
  3. Step 3: Cross multiply
    9,947.10x = 13,726.30 × 5,697.63
  4. Step 4: Simplify right side
    9,947.10x = 78,207,378.67
  5. Step 5: Solve for x
    x = 78,207,378.67/9,947.10
  6. Step 6: Final answer
    x = 7,862.33

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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.