Home / 23,685.49-32,685.36-13,074.90

Finding the Fourth Proportional to 23,685.49, 32,685.36 and 13,074.90

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Solution

The fourth proportional to 23,685.49, 32,685.36 and 13,074.90 is: 18,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.49 : 32,685.36 = 13,074.90 : x
  2. Step 2: Convert to fraction form
    23,685.49/32,685.36 = 13,074.90/x
  3. Step 3: Cross multiply
    23,685.49x = 32,685.36 × 13,074.90
  4. Step 4: Simplify right side
    23,685.49x = 427,357,813.46
  5. Step 5: Solve for x
    x = 427,357,813.46/23,685.49
  6. Step 6: Final answer
    x = 18,043.02

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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.