Home / 12,990.41-19,488.50-6,061.13

Finding the Fourth Proportional to 12,990.41, 19,488.50 and 6,061.13

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Solution

The fourth proportional to 12,990.41, 19,488.50 and 6,061.13 is: 9,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,990.41 : 19,488.50 = 6,061.13 : x
  2. Step 2: Convert to fraction form
    12,990.41/19,488.50 = 6,061.13/x
  3. Step 3: Cross multiply
    12,990.41x = 19,488.50 × 6,061.13
  4. Step 4: Simplify right side
    12,990.41x = 118,122,204.26
  5. Step 5: Solve for x
    x = 118,122,204.26/12,990.41
  6. Step 6: Final answer
    x = 9,093.03

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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.