Home / 15,710.06-21,654.65-14,422.47

Finding the Fourth Proportional to 15,710.06, 21,654.65 and 14,422.47

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Solution

The fourth proportional to 15,710.06, 21,654.65 and 14,422.47 is: 19,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710.06 : 21,654.65 = 14,422.47 : x
  2. Step 2: Convert to fraction form
    15,710.06/21,654.65 = 14,422.47/x
  3. Step 3: Cross multiply
    15,710.06x = 21,654.65 × 14,422.47
  4. Step 4: Simplify right side
    15,710.06x = 312,313,467.87
  5. Step 5: Solve for x
    x = 312,313,467.87/15,710.06
  6. Step 6: Final answer
    x = 19,879.85

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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.