Home / 15,349.11-23,015.88-7,851.52

Finding the Fourth Proportional to 15,349.11, 23,015.88 and 7,851.52

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Solution

The fourth proportional to 15,349.11, 23,015.88 and 7,851.52 is: 11,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.11 : 23,015.88 = 7,851.52 : x
  2. Step 2: Convert to fraction form
    15,349.11/23,015.88 = 7,851.52/x
  3. Step 3: Cross multiply
    15,349.11x = 23,015.88 × 7,851.52
  4. Step 4: Simplify right side
    15,349.11x = 180,709,642.14
  5. Step 5: Solve for x
    x = 180,709,642.14/15,349.11
  6. Step 6: Final answer
    x = 11,773.30

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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.