Home / 12,543.30-18,800.64-5,960.16

Finding the Fourth Proportional to 12,543.30, 18,800.64 and 5,960.16

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Solution

The fourth proportional to 12,543.30, 18,800.64 and 5,960.16 is: 8,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.30 : 18,800.64 = 5,960.16 : x
  2. Step 2: Convert to fraction form
    12,543.30/18,800.64 = 5,960.16/x
  3. Step 3: Cross multiply
    12,543.30x = 18,800.64 × 5,960.16
  4. Step 4: Simplify right side
    12,543.30x = 112,054,822.50
  5. Step 5: Solve for x
    x = 112,054,822.50/12,543.30
  6. Step 6: Final answer
    x = 8,933.44

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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.