Home / 15,176.54-20,943.28-8,462.45

Finding the Fourth Proportional to 15,176.54, 20,943.28 and 8,462.45

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Solution

The fourth proportional to 15,176.54, 20,943.28 and 8,462.45 is: 11,677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.54 : 20,943.28 = 8,462.45 : x
  2. Step 2: Convert to fraction form
    15,176.54/20,943.28 = 8,462.45/x
  3. Step 3: Cross multiply
    15,176.54x = 20,943.28 × 8,462.45
  4. Step 4: Simplify right side
    15,176.54x = 177,231,459.84
  5. Step 5: Solve for x
    x = 177,231,459.84/15,176.54
  6. Step 6: Final answer
    x = 11,677.99

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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.