Home / 18,825.55-25,979.60-10,328.10

Finding the Fourth Proportional to 18,825.55, 25,979.60 and 10,328.10

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Solution

The fourth proportional to 18,825.55, 25,979.60 and 10,328.10 is: 14,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.55 : 25,979.60 = 10,328.10 : x
  2. Step 2: Convert to fraction form
    18,825.55/25,979.60 = 10,328.10/x
  3. Step 3: Cross multiply
    18,825.55x = 25,979.60 × 10,328.10
  4. Step 4: Simplify right side
    18,825.55x = 268,319,981.29
  5. Step 5: Solve for x
    x = 268,319,981.29/18,825.55
  6. Step 6: Final answer
    x = 14,252.97

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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.