Home / 18,842.85-26,005.83-11,289.50

Finding the Fourth Proportional to 18,842.85, 26,005.83 and 11,289.50

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Solution

The fourth proportional to 18,842.85, 26,005.83 and 11,289.50 is: 15,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.85 : 26,005.83 = 11,289.50 : x
  2. Step 2: Convert to fraction form
    18,842.85/26,005.83 = 11,289.50/x
  3. Step 3: Cross multiply
    18,842.85x = 26,005.83 × 11,289.50
  4. Step 4: Simplify right side
    18,842.85x = 293,592,687.76
  5. Step 5: Solve for x
    x = 293,592,687.76/18,842.85
  6. Step 6: Final answer
    x = 15,581.12

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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.