Home / 18,700.47-25,807.82-10,316.97

Finding the Fourth Proportional to 18,700.47, 25,807.82 and 10,316.97

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Solution

The fourth proportional to 18,700.47, 25,807.82 and 10,316.97 is: 14,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.47 : 25,807.82 = 10,316.97 : x
  2. Step 2: Convert to fraction form
    18,700.47/25,807.82 = 10,316.97/x
  3. Step 3: Cross multiply
    18,700.47x = 25,807.82 × 10,316.97
  4. Step 4: Simplify right side
    18,700.47x = 266,258,453.12
  5. Step 5: Solve for x
    x = 266,258,453.12/18,700.47
  6. Step 6: Final answer
    x = 14,238.06

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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.