Home / 23,468.40-32,378.43-13,389.75

Finding the Fourth Proportional to 23,468.40, 32,378.43 and 13,389.75

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Solution

The fourth proportional to 23,468.40, 32,378.43 and 13,389.75 is: 18,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,468.40 : 32,378.43 = 13,389.75 : x
  2. Step 2: Convert to fraction form
    23,468.40/32,378.43 = 13,389.75/x
  3. Step 3: Cross multiply
    23,468.40x = 32,378.43 × 13,389.75
  4. Step 4: Simplify right side
    23,468.40x = 433,539,083.09
  5. Step 5: Solve for x
    x = 433,539,083.09/23,468.40
  6. Step 6: Final answer
    x = 18,473.31

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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.