Home / 11,618.91-17,426.54-9,657.14

Finding the Fourth Proportional to 11,618.91, 17,426.54 and 9,657.14

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Solution

The fourth proportional to 11,618.91, 17,426.54 and 9,657.14 is: 14,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.91 : 17,426.54 = 9,657.14 : x
  2. Step 2: Convert to fraction form
    11,618.91/17,426.54 = 9,657.14/x
  3. Step 3: Cross multiply
    11,618.91x = 17,426.54 × 9,657.14
  4. Step 4: Simplify right side
    11,618.91x = 168,290,401.08
  5. Step 5: Solve for x
    x = 168,290,401.08/11,618.91
  6. Step 6: Final answer
    x = 14,484.18

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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.