Home / 15,539.64-23,318.52-6,775.80

Finding the Fourth Proportional to 15,539.64, 23,318.52 and 6,775.80

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Solution

The fourth proportional to 15,539.64, 23,318.52 and 6,775.80 is: 10,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.64 : 23,318.52 = 6,775.80 : x
  2. Step 2: Convert to fraction form
    15,539.64/23,318.52 = 6,775.80/x
  3. Step 3: Cross multiply
    15,539.64x = 23,318.52 × 6,775.80
  4. Step 4: Simplify right side
    15,539.64x = 158,001,627.82
  5. Step 5: Solve for x
    x = 158,001,627.82/15,539.64
  6. Step 6: Final answer
    x = 10,167.65

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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.