Home / 10,028.48-15,038.92-7,246.74

Finding the Fourth Proportional to 10,028.48, 15,038.92 and 7,246.74

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Solution

The fourth proportional to 10,028.48, 15,038.92 and 7,246.74 is: 10,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.48 : 15,038.92 = 7,246.74 : x
  2. Step 2: Convert to fraction form
    10,028.48/15,038.92 = 7,246.74/x
  3. Step 3: Cross multiply
    10,028.48x = 15,038.92 × 7,246.74
  4. Step 4: Simplify right side
    10,028.48x = 108,983,143.12
  5. Step 5: Solve for x
    x = 108,983,143.12/10,028.48
  6. Step 6: Final answer
    x = 10,867.36

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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.