Home / 10,117.05-15,175.55-2,721.51

Finding the Fourth Proportional to 10,117.05, 15,175.55 and 2,721.51

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Solution

The fourth proportional to 10,117.05, 15,175.55 and 2,721.51 is: 4,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.05 : 15,175.55 = 2,721.51 : x
  2. Step 2: Convert to fraction form
    10,117.05/15,175.55 = 2,721.51/x
  3. Step 3: Cross multiply
    10,117.05x = 15,175.55 × 2,721.51
  4. Step 4: Simplify right side
    10,117.05x = 41,300,411.08
  5. Step 5: Solve for x
    x = 41,300,411.08/10,117.05
  6. Step 6: Final answer
    x = 4,082.26

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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.