Home / 18,981.14-28,470.08-6,501.47

Finding the Fourth Proportional to 18,981.14, 28,470.08 and 6,501.47

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Solution

The fourth proportional to 18,981.14, 28,470.08 and 6,501.47 is: 9,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.14 : 28,470.08 = 6,501.47 : x
  2. Step 2: Convert to fraction form
    18,981.14/28,470.08 = 6,501.47/x
  3. Step 3: Cross multiply
    18,981.14x = 28,470.08 × 6,501.47
  4. Step 4: Simplify right side
    18,981.14x = 185,097,244.92
  5. Step 5: Solve for x
    x = 185,097,244.92/18,981.14
  6. Step 6: Final answer
    x = 9,751.64

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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.