Home / 18,098.64-27,151.74-5,618.34

Finding the Fourth Proportional to 18,098.64, 27,151.74 and 5,618.34

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Solution

The fourth proportional to 18,098.64, 27,151.74 and 5,618.34 is: 8,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.64 : 27,151.74 = 5,618.34 : x
  2. Step 2: Convert to fraction form
    18,098.64/27,151.74 = 5,618.34/x
  3. Step 3: Cross multiply
    18,098.64x = 27,151.74 × 5,618.34
  4. Step 4: Simplify right side
    18,098.64x = 152,547,706.91
  5. Step 5: Solve for x
    x = 152,547,706.91/18,098.64
  6. Step 6: Final answer
    x = 8,428.68

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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.