Home / 21,713.79-29,941.25-14,146.10

Finding the Fourth Proportional to 21,713.79, 29,941.25 and 14,146.10

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Solution

The fourth proportional to 21,713.79, 29,941.25 and 14,146.10 is: 19,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.79 : 29,941.25 = 14,146.10 : x
  2. Step 2: Convert to fraction form
    21,713.79/29,941.25 = 14,146.10/x
  3. Step 3: Cross multiply
    21,713.79x = 29,941.25 × 14,146.10
  4. Step 4: Simplify right side
    21,713.79x = 423,551,696.19
  5. Step 5: Solve for x
    x = 423,551,696.19/21,713.79
  6. Step 6: Final answer
    x = 19,506.12

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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.