Home / 18,266.89-25,180.75-14,281.08

Finding the Fourth Proportional to 18,266.89, 25,180.75 and 14,281.08

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Solution

The fourth proportional to 18,266.89, 25,180.75 and 14,281.08 is: 19,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.89 : 25,180.75 = 14,281.08 : x
  2. Step 2: Convert to fraction form
    18,266.89/25,180.75 = 14,281.08/x
  3. Step 3: Cross multiply
    18,266.89x = 25,180.75 × 14,281.08
  4. Step 4: Simplify right side
    18,266.89x = 359,608,305.21
  5. Step 5: Solve for x
    x = 359,608,305.21/18,266.89
  6. Step 6: Final answer
    x = 19,686.35

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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.