Home / 15,507.39-23,268.77-6,147.20

Finding the Fourth Proportional to 15,507.39, 23,268.77 and 6,147.20

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Solution

The fourth proportional to 15,507.39, 23,268.77 and 6,147.20 is: 9,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,507.39 : 23,268.77 = 6,147.20 : x
  2. Step 2: Convert to fraction form
    15,507.39/23,268.77 = 6,147.20/x
  3. Step 3: Cross multiply
    15,507.39x = 23,268.77 × 6,147.20
  4. Step 4: Simplify right side
    15,507.39x = 143,037,782.94
  5. Step 5: Solve for x
    x = 143,037,782.94/15,507.39
  6. Step 6: Final answer
    x = 9,223.85

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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.