Home / 15,499.06-21,392.10-10,194.40

Finding the Fourth Proportional to 15,499.06, 21,392.10 and 10,194.40

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Solution

The fourth proportional to 15,499.06, 21,392.10 and 10,194.40 is: 14,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.06 : 21,392.10 = 10,194.40 : x
  2. Step 2: Convert to fraction form
    15,499.06/21,392.10 = 10,194.40/x
  3. Step 3: Cross multiply
    15,499.06x = 21,392.10 × 10,194.40
  4. Step 4: Simplify right side
    15,499.06x = 218,079,624.24
  5. Step 5: Solve for x
    x = 218,079,624.24/15,499.06
  6. Step 6: Final answer
    x = 14,070.51

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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.