Home / 11,290.11-15,578.87-6,510.23

Finding the Fourth Proportional to 11,290.11, 15,578.87 and 6,510.23

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Solution

The fourth proportional to 11,290.11, 15,578.87 and 6,510.23 is: 8,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.11 : 15,578.87 = 6,510.23 : x
  2. Step 2: Convert to fraction form
    11,290.11/15,578.87 = 6,510.23/x
  3. Step 3: Cross multiply
    11,290.11x = 15,578.87 × 6,510.23
  4. Step 4: Simplify right side
    11,290.11x = 101,421,948.95
  5. Step 5: Solve for x
    x = 101,421,948.95/11,290.11
  6. Step 6: Final answer
    x = 8,983.26

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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.