Home / 15,880.66-23,828.81-11,230.55

Finding the Fourth Proportional to 15,880.66, 23,828.81 and 11,230.55

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Solution

The fourth proportional to 15,880.66, 23,828.81 and 11,230.55 is: 16,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.66 : 23,828.81 = 11,230.55 : x
  2. Step 2: Convert to fraction form
    15,880.66/23,828.81 = 11,230.55/x
  3. Step 3: Cross multiply
    15,880.66x = 23,828.81 × 11,230.55
  4. Step 4: Simplify right side
    15,880.66x = 267,610,587.79
  5. Step 5: Solve for x
    x = 267,610,587.79/15,880.66
  6. Step 6: Final answer
    x = 16,851.35

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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.