Home / 15,482.49-21,367.65-9,194.86

Finding the Fourth Proportional to 15,482.49, 21,367.65 and 9,194.86

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Solution

The fourth proportional to 15,482.49, 21,367.65 and 9,194.86 is: 12,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.49 : 21,367.65 = 9,194.86 : x
  2. Step 2: Convert to fraction form
    15,482.49/21,367.65 = 9,194.86/x
  3. Step 3: Cross multiply
    15,482.49x = 21,367.65 × 9,194.86
  4. Step 4: Simplify right side
    15,482.49x = 196,472,550.28
  5. Step 5: Solve for x
    x = 196,472,550.28/15,482.49
  6. Step 6: Final answer
    x = 12,689.99

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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.