Home / 10,002.04-13,800.30-6,809.68

Finding the Fourth Proportional to 10,002.04, 13,800.30 and 6,809.68

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Solution

The fourth proportional to 10,002.04, 13,800.30 and 6,809.68 is: 9,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.04 : 13,800.30 = 6,809.68 : x
  2. Step 2: Convert to fraction form
    10,002.04/13,800.30 = 6,809.68/x
  3. Step 3: Cross multiply
    10,002.04x = 13,800.30 × 6,809.68
  4. Step 4: Simplify right side
    10,002.04x = 93,975,626.90
  5. Step 5: Solve for x
    x = 93,975,626.90/10,002.04
  6. Step 6: Final answer
    x = 9,395.65

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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.