Home / 18,225.42-25,147.71-10,671.36

Finding the Fourth Proportional to 18,225.42, 25,147.71 and 10,671.36

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Solution

The fourth proportional to 18,225.42, 25,147.71 and 10,671.36 is: 14,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.42 : 25,147.71 = 10,671.36 : x
  2. Step 2: Convert to fraction form
    18,225.42/25,147.71 = 10,671.36/x
  3. Step 3: Cross multiply
    18,225.42x = 25,147.71 × 10,671.36
  4. Step 4: Simplify right side
    18,225.42x = 268,360,266.59
  5. Step 5: Solve for x
    x = 268,360,266.59/18,225.42
  6. Step 6: Final answer
    x = 14,724.50

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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.