Home / 11,492.56-15,855.60-7,515.95

Finding the Fourth Proportional to 11,492.56, 15,855.60 and 7,515.95

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Solution

The fourth proportional to 11,492.56, 15,855.60 and 7,515.95 is: 10,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.56 : 15,855.60 = 7,515.95 : x
  2. Step 2: Convert to fraction form
    11,492.56/15,855.60 = 7,515.95/x
  3. Step 3: Cross multiply
    11,492.56x = 15,855.60 × 7,515.95
  4. Step 4: Simplify right side
    11,492.56x = 119,169,789.36
  5. Step 5: Solve for x
    x = 119,169,789.36/11,492.56
  6. Step 6: Final answer
    x = 10,369.30

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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.