Home / 9,257.28-13,870.80-7,398.60

Finding the Fourth Proportional to 9,257.28, 13,870.80 and 7,398.60

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Solution

The fourth proportional to 9,257.28, 13,870.80 and 7,398.60 is: 11,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,257.28 : 13,870.80 = 7,398.60 : x
  2. Step 2: Convert to fraction form
    9,257.28/13,870.80 = 7,398.60/x
  3. Step 3: Cross multiply
    9,257.28x = 13,870.80 × 7,398.60
  4. Step 4: Simplify right side
    9,257.28x = 102,624,500.88
  5. Step 5: Solve for x
    x = 102,624,500.88/9,257.28
  6. Step 6: Final answer
    x = 11,085.82

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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.