Home / 8,911.23-13,363.08-2,672.13

Finding the Fourth Proportional to 8,911.23, 13,363.08 and 2,672.13

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Solution

The fourth proportional to 8,911.23, 13,363.08 and 2,672.13 is: 4,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.23 : 13,363.08 = 2,672.13 : x
  2. Step 2: Convert to fraction form
    8,911.23/13,363.08 = 2,672.13/x
  3. Step 3: Cross multiply
    8,911.23x = 13,363.08 × 2,672.13
  4. Step 4: Simplify right side
    8,911.23x = 35,707,886.96
  5. Step 5: Solve for x
    x = 35,707,886.96/8,911.23
  6. Step 6: Final answer
    x = 4,007.07

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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.