Home / 15,647.28-23,436.18-11,196.66

Finding the Fourth Proportional to 15,647.28, 23,436.18 and 11,196.66

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Solution

The fourth proportional to 15,647.28, 23,436.18 and 11,196.66 is: 16,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.28 : 23,436.18 = 11,196.66 : x
  2. Step 2: Convert to fraction form
    15,647.28/23,436.18 = 11,196.66/x
  3. Step 3: Cross multiply
    15,647.28x = 23,436.18 × 11,196.66
  4. Step 4: Simplify right side
    15,647.28x = 262,406,939.16
  5. Step 5: Solve for x
    x = 262,406,939.16/15,647.28
  6. Step 6: Final answer
    x = 16,770.13

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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.