Home / 17,639.68-26,461.98-5,160.62

Finding the Fourth Proportional to 17,639.68, 26,461.98 and 5,160.62

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Solution

The fourth proportional to 17,639.68, 26,461.98 and 5,160.62 is: 7,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.68 : 26,461.98 = 5,160.62 : x
  2. Step 2: Convert to fraction form
    17,639.68/26,461.98 = 5,160.62/x
  3. Step 3: Cross multiply
    17,639.68x = 26,461.98 × 5,160.62
  4. Step 4: Simplify right side
    17,639.68x = 136,560,223.23
  5. Step 5: Solve for x
    x = 136,560,223.23/17,639.68
  6. Step 6: Final answer
    x = 7,741.65

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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.