Home / 9,411.78-14,117.40-3,863.55

Finding the Fourth Proportional to 9,411.78, 14,117.40 and 3,863.55

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Solution

The fourth proportional to 9,411.78, 14,117.40 and 3,863.55 is: 5,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411.78 : 14,117.40 = 3,863.55 : x
  2. Step 2: Convert to fraction form
    9,411.78/14,117.40 = 3,863.55/x
  3. Step 3: Cross multiply
    9,411.78x = 14,117.40 × 3,863.55
  4. Step 4: Simplify right side
    9,411.78x = 54,543,280.77
  5. Step 5: Solve for x
    x = 54,543,280.77/9,411.78
  6. Step 6: Final answer
    x = 5,795.21

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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.