Home / 18,827.10-25,953.84-14,343.12

Finding the Fourth Proportional to 18,827.10, 25,953.84 and 14,343.12

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Solution

The fourth proportional to 18,827.10, 25,953.84 and 14,343.12 is: 19,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.10 : 25,953.84 = 14,343.12 : x
  2. Step 2: Convert to fraction form
    18,827.10/25,953.84 = 14,343.12/x
  3. Step 3: Cross multiply
    18,827.10x = 25,953.84 × 14,343.12
  4. Step 4: Simplify right side
    18,827.10x = 372,259,041.58
  5. Step 5: Solve for x
    x = 372,259,041.58/18,827.10
  6. Step 6: Final answer
    x = 19,772.51

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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.