Home / 9,006.98-12,430.13-5,028.12

Finding the Fourth Proportional to 9,006.98, 12,430.13 and 5,028.12

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Solution

The fourth proportional to 9,006.98, 12,430.13 and 5,028.12 is: 6,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.98 : 12,430.13 = 5,028.12 : x
  2. Step 2: Convert to fraction form
    9,006.98/12,430.13 = 5,028.12/x
  3. Step 3: Cross multiply
    9,006.98x = 12,430.13 × 5,028.12
  4. Step 4: Simplify right side
    9,006.98x = 62,500,160.12
  5. Step 5: Solve for x
    x = 62,500,160.12/9,006.98
  6. Step 6: Final answer
    x = 6,939.08

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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.