Home / 10,400.18-15,600.27-2,608.98

Finding the Fourth Proportional to 10,400.18, 15,600.27 and 2,608.98

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Solution

The fourth proportional to 10,400.18, 15,600.27 and 2,608.98 is: 3,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.18 : 15,600.27 = 2,608.98 : x
  2. Step 2: Convert to fraction form
    10,400.18/15,600.27 = 2,608.98/x
  3. Step 3: Cross multiply
    10,400.18x = 15,600.27 × 2,608.98
  4. Step 4: Simplify right side
    10,400.18x = 40,700,792.42
  5. Step 5: Solve for x
    x = 40,700,792.42/10,400.18
  6. Step 6: Final answer
    x = 3,913.47

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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.