Home / 9,246.60-13,869.90-7,715.70

Finding the Fourth Proportional to 9,246.60, 13,869.90 and 7,715.70

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Solution

The fourth proportional to 9,246.60, 13,869.90 and 7,715.70 is: 11,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.60 : 13,869.90 = 7,715.70 : x
  2. Step 2: Convert to fraction form
    9,246.60/13,869.90 = 7,715.70/x
  3. Step 3: Cross multiply
    9,246.60x = 13,869.90 × 7,715.70
  4. Step 4: Simplify right side
    9,246.60x = 107,015,987.43
  5. Step 5: Solve for x
    x = 107,015,987.43/9,246.60
  6. Step 6: Final answer
    x = 11,573.55

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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.