Home / 15,442.44-21,310.59-8,368.84

Finding the Fourth Proportional to 15,442.44, 21,310.59 and 8,368.84

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Solution

The fourth proportional to 15,442.44, 21,310.59 and 8,368.84 is: 11,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.44 : 21,310.59 = 8,368.84 : x
  2. Step 2: Convert to fraction form
    15,442.44/21,310.59 = 8,368.84/x
  3. Step 3: Cross multiply
    15,442.44x = 21,310.59 × 8,368.84
  4. Step 4: Simplify right side
    15,442.44x = 178,344,918.02
  5. Step 5: Solve for x
    x = 178,344,918.02/15,442.44
  6. Step 6: Final answer
    x = 11,549.01

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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.