Home / 19,631.34-29,418.39-9,104.58

Finding the Fourth Proportional to 19,631.34, 29,418.39 and 9,104.58

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Solution

The fourth proportional to 19,631.34, 29,418.39 and 9,104.58 is: 13,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.34 : 29,418.39 = 9,104.58 : x
  2. Step 2: Convert to fraction form
    19,631.34/29,418.39 = 9,104.58/x
  3. Step 3: Cross multiply
    19,631.34x = 29,418.39 × 9,104.58
  4. Step 4: Simplify right side
    19,631.34x = 267,842,085.23
  5. Step 5: Solve for x
    x = 267,842,085.23/19,631.34
  6. Step 6: Final answer
    x = 13,643.60

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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.