Home / 16,920.45-23,347.13-9,849.15

Finding the Fourth Proportional to 16,920.45, 23,347.13 and 9,849.15

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Solution

The fourth proportional to 16,920.45, 23,347.13 and 9,849.15 is: 13,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.45 : 23,347.13 = 9,849.15 : x
  2. Step 2: Convert to fraction form
    16,920.45/23,347.13 = 9,849.15/x
  3. Step 3: Cross multiply
    16,920.45x = 23,347.13 × 9,849.15
  4. Step 4: Simplify right side
    16,920.45x = 229,949,336.19
  5. Step 5: Solve for x
    x = 229,949,336.19/16,920.45
  6. Step 6: Final answer
    x = 13,590.02

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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.