Home / 17,628.19-26,443.88-7,765.13

Finding the Fourth Proportional to 17,628.19, 26,443.88 and 7,765.13

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Solution

The fourth proportional to 17,628.19, 26,443.88 and 7,765.13 is: 11,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.19 : 26,443.88 = 7,765.13 : x
  2. Step 2: Convert to fraction form
    17,628.19/26,443.88 = 7,765.13/x
  3. Step 3: Cross multiply
    17,628.19x = 26,443.88 × 7,765.13
  4. Step 4: Simplify right side
    17,628.19x = 205,340,165.90
  5. Step 5: Solve for x
    x = 205,340,165.90/17,628.19
  6. Step 6: Final answer
    x = 11,648.40

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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.