Home / 12,132.48-18,200.64-4,341.12

Finding the Fourth Proportional to 12,132.48, 18,200.64 and 4,341.12

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Solution

The fourth proportional to 12,132.48, 18,200.64 and 4,341.12 is: 6,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.48 : 18,200.64 = 4,341.12 : x
  2. Step 2: Convert to fraction form
    12,132.48/18,200.64 = 4,341.12/x
  3. Step 3: Cross multiply
    12,132.48x = 18,200.64 × 4,341.12
  4. Step 4: Simplify right side
    12,132.48x = 79,011,162.32
  5. Step 5: Solve for x
    x = 79,011,162.32/12,132.48
  6. Step 6: Final answer
    x = 6,512.37

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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.