Home / 15,580.88-23,367.54-5,191.28

Finding the Fourth Proportional to 15,580.88, 23,367.54 and 5,191.28

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Solution

The fourth proportional to 15,580.88, 23,367.54 and 5,191.28 is: 7,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.88 : 23,367.54 = 5,191.28 : x
  2. Step 2: Convert to fraction form
    15,580.88/23,367.54 = 5,191.28/x
  3. Step 3: Cross multiply
    15,580.88x = 23,367.54 × 5,191.28
  4. Step 4: Simplify right side
    15,580.88x = 121,307,443.05
  5. Step 5: Solve for x
    x = 121,307,443.05/15,580.88
  6. Step 6: Final answer
    x = 7,785.66

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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.