Home / 15,983.94-22,054.50-9,695.10

Finding the Fourth Proportional to 15,983.94, 22,054.50 and 9,695.10

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Solution

The fourth proportional to 15,983.94, 22,054.50 and 9,695.10 is: 13,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.94 : 22,054.50 = 9,695.10 : x
  2. Step 2: Convert to fraction form
    15,983.94/22,054.50 = 9,695.10/x
  3. Step 3: Cross multiply
    15,983.94x = 22,054.50 × 9,695.10
  4. Step 4: Simplify right side
    15,983.94x = 213,820,582.95
  5. Step 5: Solve for x
    x = 213,820,582.95/15,983.94
  6. Step 6: Final answer
    x = 13,377.21

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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.