Home / 12,569.92-17,346.01-6,981.28

Finding the Fourth Proportional to 12,569.92, 17,346.01 and 6,981.28

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Solution

The fourth proportional to 12,569.92, 17,346.01 and 6,981.28 is: 9,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.92 : 17,346.01 = 6,981.28 : x
  2. Step 2: Convert to fraction form
    12,569.92/17,346.01 = 6,981.28/x
  3. Step 3: Cross multiply
    12,569.92x = 17,346.01 × 6,981.28
  4. Step 4: Simplify right side
    12,569.92x = 121,097,231.06
  5. Step 5: Solve for x
    x = 121,097,231.06/12,569.92
  6. Step 6: Final answer
    x = 9,633.89

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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.