Home / 18,850.51-26,008.45-10,784.13

Finding the Fourth Proportional to 18,850.51, 26,008.45 and 10,784.13

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Solution

The fourth proportional to 18,850.51, 26,008.45 and 10,784.13 is: 14,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.51 : 26,008.45 = 10,784.13 : x
  2. Step 2: Convert to fraction form
    18,850.51/26,008.45 = 10,784.13/x
  3. Step 3: Cross multiply
    18,850.51x = 26,008.45 × 10,784.13
  4. Step 4: Simplify right side
    18,850.51x = 280,478,505.90
  5. Step 5: Solve for x
    x = 280,478,505.90/18,850.51
  6. Step 6: Final answer
    x = 14,879.09

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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.