Home / 15,680.76-23,515.66-4,587.20

Finding the Fourth Proportional to 15,680.76, 23,515.66 and 4,587.20

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Solution

The fourth proportional to 15,680.76, 23,515.66 and 4,587.20 is: 6,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.76 : 23,515.66 = 4,587.20 : x
  2. Step 2: Convert to fraction form
    15,680.76/23,515.66 = 4,587.20/x
  3. Step 3: Cross multiply
    15,680.76x = 23,515.66 × 4,587.20
  4. Step 4: Simplify right side
    15,680.76x = 107,871,035.55
  5. Step 5: Solve for x
    x = 107,871,035.55/15,680.76
  6. Step 6: Final answer
    x = 6,879.20

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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.