Home / 18,987.68-26,204.46-10,490.48

Finding the Fourth Proportional to 18,987.68, 26,204.46 and 10,490.48

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Solution

The fourth proportional to 18,987.68, 26,204.46 and 10,490.48 is: 14,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.68 : 26,204.46 = 10,490.48 : x
  2. Step 2: Convert to fraction form
    18,987.68/26,204.46 = 10,490.48/x
  3. Step 3: Cross multiply
    18,987.68x = 26,204.46 × 10,490.48
  4. Step 4: Simplify right side
    18,987.68x = 274,897,363.54
  5. Step 5: Solve for x
    x = 274,897,363.54/18,987.68
  6. Step 6: Final answer
    x = 14,477.67

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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.