Home / 11,011.20-15,197.72-6,537.43

Finding the Fourth Proportional to 11,011.20, 15,197.72 and 6,537.43

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Solution

The fourth proportional to 11,011.20, 15,197.72 and 6,537.43 is: 9,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.20 : 15,197.72 = 6,537.43 : x
  2. Step 2: Convert to fraction form
    11,011.20/15,197.72 = 6,537.43/x
  3. Step 3: Cross multiply
    11,011.20x = 15,197.72 × 6,537.43
  4. Step 4: Simplify right side
    11,011.20x = 99,354,030.66
  5. Step 5: Solve for x
    x = 99,354,030.66/11,011.20
  6. Step 6: Final answer
    x = 9,023.00

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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.