Home / 17,520.49-26,284.19-6,427.28

Finding the Fourth Proportional to 17,520.49, 26,284.19 and 6,427.28

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Solution

The fourth proportional to 17,520.49, 26,284.19 and 6,427.28 is: 9,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.49 : 26,284.19 = 6,427.28 : x
  2. Step 2: Convert to fraction form
    17,520.49/26,284.19 = 6,427.28/x
  3. Step 3: Cross multiply
    17,520.49x = 26,284.19 × 6,427.28
  4. Step 4: Simplify right side
    17,520.49x = 168,935,717.28
  5. Step 5: Solve for x
    x = 168,935,717.28/17,520.49
  6. Step 6: Final answer
    x = 9,642.18

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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.