Home / 15,925.41-21,926.86-14,449.18

Finding the Fourth Proportional to 15,925.41, 21,926.86 and 14,449.18

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Solution

The fourth proportional to 15,925.41, 21,926.86 and 14,449.18 is: 19,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.41 : 21,926.86 = 14,449.18 : x
  2. Step 2: Convert to fraction form
    15,925.41/21,926.86 = 14,449.18/x
  3. Step 3: Cross multiply
    15,925.41x = 21,926.86 × 14,449.18
  4. Step 4: Simplify right side
    15,925.41x = 316,825,146.97
  5. Step 5: Solve for x
    x = 316,825,146.97/15,925.41
  6. Step 6: Final answer
    x = 19,894.32

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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.