Home / 21,696.39-29,941.65-12,264.75

Finding the Fourth Proportional to 21,696.39, 29,941.65 and 12,264.75

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Solution

The fourth proportional to 21,696.39, 29,941.65 and 12,264.75 is: 16,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.39 : 29,941.65 = 12,264.75 : x
  2. Step 2: Convert to fraction form
    21,696.39/29,941.65 = 12,264.75/x
  3. Step 3: Cross multiply
    21,696.39x = 29,941.65 × 12,264.75
  4. Step 4: Simplify right side
    21,696.39x = 367,226,851.84
  5. Step 5: Solve for x
    x = 367,226,851.84/21,696.39
  6. Step 6: Final answer
    x = 16,925.71

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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.