Home / 18,983.64-26,196.96-10,486.47

Finding the Fourth Proportional to 18,983.64, 26,196.96 and 10,486.47

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Solution

The fourth proportional to 18,983.64, 26,196.96 and 10,486.47 is: 14,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.64 : 26,196.96 = 10,486.47 : x
  2. Step 2: Convert to fraction form
    18,983.64/26,196.96 = 10,486.47/x
  3. Step 3: Cross multiply
    18,983.64x = 26,196.96 × 10,486.47
  4. Step 4: Simplify right side
    18,983.64x = 274,713,635.13
  5. Step 5: Solve for x
    x = 274,713,635.13/18,983.64
  6. Step 6: Final answer
    x = 14,471.07

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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.