Home / 19,468.80-29,246.40-18,681.60

Finding the Fourth Proportional to 19,468.80, 29,246.40 and 18,681.60

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Solution

The fourth proportional to 19,468.80, 29,246.40 and 18,681.60 is: 28,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.80 : 29,246.40 = 18,681.60 : x
  2. Step 2: Convert to fraction form
    19,468.80/29,246.40 = 18,681.60/x
  3. Step 3: Cross multiply
    19,468.80x = 29,246.40 × 18,681.60
  4. Step 4: Simplify right side
    19,468.80x = 546,369,546.24
  5. Step 5: Solve for x
    x = 546,369,546.24/19,468.80
  6. Step 6: Final answer
    x = 28,063.85

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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.