Home / 16,230.90-22,398.93-9,521.36

Finding the Fourth Proportional to 16,230.90, 22,398.93 and 9,521.36

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Solution

The fourth proportional to 16,230.90, 22,398.93 and 9,521.36 is: 13,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.90 : 22,398.93 = 9,521.36 : x
  2. Step 2: Convert to fraction form
    16,230.90/22,398.93 = 9,521.36/x
  3. Step 3: Cross multiply
    16,230.90x = 22,398.93 × 9,521.36
  4. Step 4: Simplify right side
    16,230.90x = 213,268,228.54
  5. Step 5: Solve for x
    x = 213,268,228.54/16,230.90
  6. Step 6: Final answer
    x = 13,139.64

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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.