Home / 15,407.88-23,114.67-4,880.55

Finding the Fourth Proportional to 15,407.88, 23,114.67 and 4,880.55

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Solution

The fourth proportional to 15,407.88, 23,114.67 and 4,880.55 is: 7,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.88 : 23,114.67 = 4,880.55 : x
  2. Step 2: Convert to fraction form
    15,407.88/23,114.67 = 4,880.55/x
  3. Step 3: Cross multiply
    15,407.88x = 23,114.67 × 4,880.55
  4. Step 4: Simplify right side
    15,407.88x = 112,812,302.67
  5. Step 5: Solve for x
    x = 112,812,302.67/15,407.88
  6. Step 6: Final answer
    x = 7,321.73

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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.