Home / 19,321.20-26,664.72-10,825.32

Finding the Fourth Proportional to 19,321.20, 26,664.72 and 10,825.32

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Solution

The fourth proportional to 19,321.20, 26,664.72 and 10,825.32 is: 14,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.20 : 26,664.72 = 10,825.32 : x
  2. Step 2: Convert to fraction form
    19,321.20/26,664.72 = 10,825.32/x
  3. Step 3: Cross multiply
    19,321.20x = 26,664.72 × 10,825.32
  4. Step 4: Simplify right side
    19,321.20x = 288,654,126.71
  5. Step 5: Solve for x
    x = 288,654,126.71/19,321.20
  6. Step 6: Final answer
    x = 14,939.76

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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.