Home / 10,012.21-15,018.21-4,167.45

Finding the Fourth Proportional to 10,012.21, 15,018.21 and 4,167.45

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Solution

The fourth proportional to 10,012.21, 15,018.21 and 4,167.45 is: 6,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.21 : 15,018.21 = 4,167.45 : x
  2. Step 2: Convert to fraction form
    10,012.21/15,018.21 = 4,167.45/x
  3. Step 3: Cross multiply
    10,012.21x = 15,018.21 × 4,167.45
  4. Step 4: Simplify right side
    10,012.21x = 62,587,639.26
  5. Step 5: Solve for x
    x = 62,587,639.26/10,012.21
  6. Step 6: Final answer
    x = 6,251.13

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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.