Home / 9,006.66-12,429.15-5,027.76

Finding the Fourth Proportional to 9,006.66, 12,429.15 and 5,027.76

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Solution

The fourth proportional to 9,006.66, 12,429.15 and 5,027.76 is: 6,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.66 : 12,429.15 = 5,027.76 : x
  2. Step 2: Convert to fraction form
    9,006.66/12,429.15 = 5,027.76/x
  3. Step 3: Cross multiply
    9,006.66x = 12,429.15 × 5,027.76
  4. Step 4: Simplify right side
    9,006.66x = 62,490,783.20
  5. Step 5: Solve for x
    x = 62,490,783.20/9,006.66
  6. Step 6: Final answer
    x = 6,938.29

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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.