Home / 16,991.70-23,447.77-9,438.52

Finding the Fourth Proportional to 16,991.70, 23,447.77 and 9,438.52

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Solution

The fourth proportional to 16,991.70, 23,447.77 and 9,438.52 is: 13,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.70 : 23,447.77 = 9,438.52 : x
  2. Step 2: Convert to fraction form
    16,991.70/23,447.77 = 9,438.52/x
  3. Step 3: Cross multiply
    16,991.70x = 23,447.77 × 9,438.52
  4. Step 4: Simplify right side
    16,991.70x = 221,312,246.10
  5. Step 5: Solve for x
    x = 221,312,246.10/16,991.70
  6. Step 6: Final answer
    x = 13,024.73

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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.