Home / 22,858.21-34,279.98-7,272.19

Finding the Fourth Proportional to 22,858.21, 34,279.98 and 7,272.19

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Solution

The fourth proportional to 22,858.21, 34,279.98 and 7,272.19 is: 10,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.21 : 34,279.98 = 7,272.19 : x
  2. Step 2: Convert to fraction form
    22,858.21/34,279.98 = 7,272.19/x
  3. Step 3: Cross multiply
    22,858.21x = 34,279.98 × 7,272.19
  4. Step 4: Simplify right side
    22,858.21x = 249,290,527.76
  5. Step 5: Solve for x
    x = 249,290,527.76/22,858.21
  6. Step 6: Final answer
    x = 10,905.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.