Home / 9,159.13-13,746.49-3,616.40

Finding the Fourth Proportional to 9,159.13, 13,746.49 and 3,616.40

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Solution

The fourth proportional to 9,159.13, 13,746.49 and 3,616.40 is: 5,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.13 : 13,746.49 = 3,616.40 : x
  2. Step 2: Convert to fraction form
    9,159.13/13,746.49 = 3,616.40/x
  3. Step 3: Cross multiply
    9,159.13x = 13,746.49 × 3,616.40
  4. Step 4: Simplify right side
    9,159.13x = 49,712,806.44
  5. Step 5: Solve for x
    x = 49,712,806.44/9,159.13
  6. Step 6: Final answer
    x = 5,427.68

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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.