Home / 18,656.94-25,756.08-14,398.43

Finding the Fourth Proportional to 18,656.94, 25,756.08 and 14,398.43

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Solution

The fourth proportional to 18,656.94, 25,756.08 and 14,398.43 is: 19,877.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.94 : 25,756.08 = 14,398.43 : x
  2. Step 2: Convert to fraction form
    18,656.94/25,756.08 = 14,398.43/x
  3. Step 3: Cross multiply
    18,656.94x = 25,756.08 × 14,398.43
  4. Step 4: Simplify right side
    18,656.94x = 370,846,986.17
  5. Step 5: Solve for x
    x = 370,846,986.17/18,656.94
  6. Step 6: Final answer
    x = 19,877.16

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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.