Home / 18,573.72-25,631.88-10,397.40

Finding the Fourth Proportional to 18,573.72, 25,631.88 and 10,397.40

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Solution

The fourth proportional to 18,573.72, 25,631.88 and 10,397.40 is: 14,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.72 : 25,631.88 = 10,397.40 : x
  2. Step 2: Convert to fraction form
    18,573.72/25,631.88 = 10,397.40/x
  3. Step 3: Cross multiply
    18,573.72x = 25,631.88 × 10,397.40
  4. Step 4: Simplify right side
    18,573.72x = 266,504,909.11
  5. Step 5: Solve for x
    x = 266,504,909.11/18,573.72
  6. Step 6: Final answer
    x = 14,348.49

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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.