Home / 10,244.06-15,378.36-6,947.15

Finding the Fourth Proportional to 10,244.06, 15,378.36 and 6,947.15

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Solution

The fourth proportional to 10,244.06, 15,378.36 and 6,947.15 is: 10,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.06 : 15,378.36 = 6,947.15 : x
  2. Step 2: Convert to fraction form
    10,244.06/15,378.36 = 6,947.15/x
  3. Step 3: Cross multiply
    10,244.06x = 15,378.36 × 6,947.15
  4. Step 4: Simplify right side
    10,244.06x = 106,835,773.67
  5. Step 5: Solve for x
    x = 106,835,773.67/10,244.06
  6. Step 6: Final answer
    x = 10,429.05

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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.