Home / 10,510.05-15,767.37-3,115.08

Finding the Fourth Proportional to 10,510.05, 15,767.37 and 3,115.08

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Solution

The fourth proportional to 10,510.05, 15,767.37 and 3,115.08 is: 4,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.05 : 15,767.37 = 3,115.08 : x
  2. Step 2: Convert to fraction form
    10,510.05/15,767.37 = 3,115.08/x
  3. Step 3: Cross multiply
    10,510.05x = 15,767.37 × 3,115.08
  4. Step 4: Simplify right side
    10,510.05x = 49,116,618.94
  5. Step 5: Solve for x
    x = 49,116,618.94/10,510.05
  6. Step 6: Final answer
    x = 4,673.30

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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.