Home / 15,555.12-23,333.04-5,167.68

Finding the Fourth Proportional to 15,555.12, 23,333.04 and 5,167.68

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Solution

The fourth proportional to 15,555.12, 23,333.04 and 5,167.68 is: 7,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.12 : 23,333.04 = 5,167.68 : x
  2. Step 2: Convert to fraction form
    15,555.12/23,333.04 = 5,167.68/x
  3. Step 3: Cross multiply
    15,555.12x = 23,333.04 × 5,167.68
  4. Step 4: Simplify right side
    15,555.12x = 120,577,684.15
  5. Step 5: Solve for x
    x = 120,577,684.15/15,555.12
  6. Step 6: Final answer
    x = 7,751.64

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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.