Home / 10,247.51-15,377.24-4,007.21

Finding the Fourth Proportional to 10,247.51, 15,377.24 and 4,007.21

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Solution

The fourth proportional to 10,247.51, 15,377.24 and 4,007.21 is: 6,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.51 : 15,377.24 = 4,007.21 : x
  2. Step 2: Convert to fraction form
    10,247.51/15,377.24 = 4,007.21/x
  3. Step 3: Cross multiply
    10,247.51x = 15,377.24 × 4,007.21
  4. Step 4: Simplify right side
    10,247.51x = 61,619,763.03
  5. Step 5: Solve for x
    x = 61,619,763.03/10,247.51
  6. Step 6: Final answer
    x = 6,013.14

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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.