Home / 11,223.02-15,487.87-6,187.42

Finding the Fourth Proportional to 11,223.02, 15,487.87 and 6,187.42

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Solution

The fourth proportional to 11,223.02, 15,487.87 and 6,187.42 is: 8,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.02 : 15,487.87 = 6,187.42 : x
  2. Step 2: Convert to fraction form
    11,223.02/15,487.87 = 6,187.42/x
  3. Step 3: Cross multiply
    11,223.02x = 15,487.87 × 6,187.42
  4. Step 4: Simplify right side
    11,223.02x = 95,829,933.34
  5. Step 5: Solve for x
    x = 95,829,933.34/11,223.02
  6. Step 6: Final answer
    x = 8,538.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.