Home / 9,680.13-13,354.74-5,694.93

Finding the Fourth Proportional to 9,680.13, 13,354.74 and 5,694.93

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Solution

The fourth proportional to 9,680.13, 13,354.74 and 5,694.93 is: 7,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.13 : 13,354.74 = 5,694.93 : x
  2. Step 2: Convert to fraction form
    9,680.13/13,354.74 = 5,694.93/x
  3. Step 3: Cross multiply
    9,680.13x = 13,354.74 × 5,694.93
  4. Step 4: Simplify right side
    9,680.13x = 76,054,309.47
  5. Step 5: Solve for x
    x = 76,054,309.47/9,680.13
  6. Step 6: Final answer
    x = 7,856.74

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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.