Home / 15,056.53-20,776.33-8,340.47

Finding the Fourth Proportional to 15,056.53, 20,776.33 and 8,340.47

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Solution

The fourth proportional to 15,056.53, 20,776.33 and 8,340.47 is: 11,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.53 : 20,776.33 = 8,340.47 : x
  2. Step 2: Convert to fraction form
    15,056.53/20,776.33 = 8,340.47/x
  3. Step 3: Cross multiply
    15,056.53x = 20,776.33 × 8,340.47
  4. Step 4: Simplify right side
    15,056.53x = 173,284,341.53
  5. Step 5: Solve for x
    x = 173,284,341.53/15,056.53
  6. Step 6: Final answer
    x = 11,508.91

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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.