Home / 8,746.13-12,069.72-5,209.13

Finding the Fourth Proportional to 8,746.13, 12,069.72 and 5,209.13

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Solution

The fourth proportional to 8,746.13, 12,069.72 and 5,209.13 is: 7,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.13 : 12,069.72 = 5,209.13 : x
  2. Step 2: Convert to fraction form
    8,746.13/12,069.72 = 5,209.13/x
  3. Step 3: Cross multiply
    8,746.13x = 12,069.72 × 5,209.13
  4. Step 4: Simplify right side
    8,746.13x = 62,872,680.20
  5. Step 5: Solve for x
    x = 62,872,680.20/8,746.13
  6. Step 6: Final answer
    x = 7,188.63

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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.