Home / 12,656.67-18,987.21-4,337.52

Finding the Fourth Proportional to 12,656.67, 18,987.21 and 4,337.52

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Solution

The fourth proportional to 12,656.67, 18,987.21 and 4,337.52 is: 6,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.67 : 18,987.21 = 4,337.52 : x
  2. Step 2: Convert to fraction form
    12,656.67/18,987.21 = 4,337.52/x
  3. Step 3: Cross multiply
    12,656.67x = 18,987.21 × 4,337.52
  4. Step 4: Simplify right side
    12,656.67x = 82,357,403.12
  5. Step 5: Solve for x
    x = 82,357,403.12/12,656.67
  6. Step 6: Final answer
    x = 6,507.04

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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.