Home / 8,963.99-13,445.67-3,417.13

Finding the Fourth Proportional to 8,963.99, 13,445.67 and 3,417.13

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Solution

The fourth proportional to 8,963.99, 13,445.67 and 3,417.13 is: 5,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.99 : 13,445.67 = 3,417.13 : x
  2. Step 2: Convert to fraction form
    8,963.99/13,445.67 = 3,417.13/x
  3. Step 3: Cross multiply
    8,963.99x = 13,445.67 × 3,417.13
  4. Step 4: Simplify right side
    8,963.99x = 45,945,535.10
  5. Step 5: Solve for x
    x = 45,945,535.10/8,963.99
  6. Step 6: Final answer
    x = 5,125.57

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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.