Home / 16,991.38-23,448.13-9,437.51

Finding the Fourth Proportional to 16,991.38, 23,448.13 and 9,437.51

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Solution

The fourth proportional to 16,991.38, 23,448.13 and 9,437.51 is: 13,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.38 : 23,448.13 = 9,437.51 : x
  2. Step 2: Convert to fraction form
    16,991.38/23,448.13 = 9,437.51/x
  3. Step 3: Cross multiply
    16,991.38x = 23,448.13 × 9,437.51
  4. Step 4: Simplify right side
    16,991.38x = 221,291,796.93
  5. Step 5: Solve for x
    x = 221,291,796.93/16,991.38
  6. Step 6: Final answer
    x = 13,023.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.