Home / 12,089.17-18,133.70-6,577.55

Finding the Fourth Proportional to 12,089.17, 18,133.70 and 6,577.55

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Solution

The fourth proportional to 12,089.17, 18,133.70 and 6,577.55 is: 9,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.17 : 18,133.70 = 6,577.55 : x
  2. Step 2: Convert to fraction form
    12,089.17/18,133.70 = 6,577.55/x
  3. Step 3: Cross multiply
    12,089.17x = 18,133.70 × 6,577.55
  4. Step 4: Simplify right side
    12,089.17x = 119,275,383.38
  5. Step 5: Solve for x
    x = 119,275,383.38/12,089.17
  6. Step 6: Final answer
    x = 9,866.30

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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.