Home / 18,864.48-28,292.10-6,854.67

Finding the Fourth Proportional to 18,864.48, 28,292.10 and 6,854.67

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Solution

The fourth proportional to 18,864.48, 28,292.10 and 6,854.67 is: 10,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.48 : 28,292.10 = 6,854.67 : x
  2. Step 2: Convert to fraction form
    18,864.48/28,292.10 = 6,854.67/x
  3. Step 3: Cross multiply
    18,864.48x = 28,292.10 × 6,854.67
  4. Step 4: Simplify right side
    18,864.48x = 193,933,009.11
  5. Step 5: Solve for x
    x = 193,933,009.11/18,864.48
  6. Step 6: Final answer
    x = 10,280.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.