Home / 15,913.95-23,870.88-4,227.18

Finding the Fourth Proportional to 15,913.95, 23,870.88 and 4,227.18

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Solution

The fourth proportional to 15,913.95, 23,870.88 and 4,227.18 is: 6,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.95 : 23,870.88 = 4,227.18 : x
  2. Step 2: Convert to fraction form
    15,913.95/23,870.88 = 4,227.18/x
  3. Step 3: Cross multiply
    15,913.95x = 23,870.88 × 4,227.18
  4. Step 4: Simplify right side
    15,913.95x = 100,906,506.52
  5. Step 5: Solve for x
    x = 100,906,506.52/15,913.95
  6. Step 6: Final answer
    x = 6,340.76

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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.