Home / 16,991.07-23,449.12-9,438.63

Finding the Fourth Proportional to 16,991.07, 23,449.12 and 9,438.63

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Solution

The fourth proportional to 16,991.07, 23,449.12 and 9,438.63 is: 13,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.07 : 23,449.12 = 9,438.63 : x
  2. Step 2: Convert to fraction form
    16,991.07/23,449.12 = 9,438.63/x
  3. Step 3: Cross multiply
    16,991.07x = 23,449.12 × 9,438.63
  4. Step 4: Simplify right side
    16,991.07x = 221,327,482.52
  5. Step 5: Solve for x
    x = 221,327,482.52/16,991.07
  6. Step 6: Final answer
    x = 13,026.11

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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.