Home / 17,620.29-26,418.63-9,291.51

Finding the Fourth Proportional to 17,620.29, 26,418.63 and 9,291.51

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Solution

The fourth proportional to 17,620.29, 26,418.63 and 9,291.51 is: 13,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.29 : 26,418.63 = 9,291.51 : x
  2. Step 2: Convert to fraction form
    17,620.29/26,418.63 = 9,291.51/x
  3. Step 3: Cross multiply
    17,620.29x = 26,418.63 × 9,291.51
  4. Step 4: Simplify right side
    17,620.29x = 245,468,964.83
  5. Step 5: Solve for x
    x = 245,468,964.83/17,620.29
  6. Step 6: Final answer
    x = 13,931.04

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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.