Home / 17,880.26-24,664.50-11,154.20

Finding the Fourth Proportional to 17,880.26, 24,664.50 and 11,154.20

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Solution

The fourth proportional to 17,880.26, 24,664.50 and 11,154.20 is: 15,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.26 : 24,664.50 = 11,154.20 : x
  2. Step 2: Convert to fraction form
    17,880.26/24,664.50 = 11,154.20/x
  3. Step 3: Cross multiply
    17,880.26x = 24,664.50 × 11,154.20
  4. Step 4: Simplify right side
    17,880.26x = 275,112,765.90
  5. Step 5: Solve for x
    x = 275,112,765.90/17,880.26
  6. Step 6: Final answer
    x = 15,386.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.