Home / 18,840.75-26,000.40-10,882.79

Finding the Fourth Proportional to 18,840.75, 26,000.40 and 10,882.79

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Solution

The fourth proportional to 18,840.75, 26,000.40 and 10,882.79 is: 15,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.75 : 26,000.40 = 10,882.79 : x
  2. Step 2: Convert to fraction form
    18,840.75/26,000.40 = 10,882.79/x
  3. Step 3: Cross multiply
    18,840.75x = 26,000.40 × 10,882.79
  4. Step 4: Simplify right side
    18,840.75x = 282,956,893.12
  5. Step 5: Solve for x
    x = 282,956,893.12/18,840.75
  6. Step 6: Final answer
    x = 15,018.35

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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.