Home / 8,809.32-13,202.40-6,721.68

Finding the Fourth Proportional to 8,809.32, 13,202.40 and 6,721.68

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Solution

The fourth proportional to 8,809.32, 13,202.40 and 6,721.68 is: 10,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.32 : 13,202.40 = 6,721.68 : x
  2. Step 2: Convert to fraction form
    8,809.32/13,202.40 = 6,721.68/x
  3. Step 3: Cross multiply
    8,809.32x = 13,202.40 × 6,721.68
  4. Step 4: Simplify right side
    8,809.32x = 88,742,308.03
  5. Step 5: Solve for x
    x = 88,742,308.03/8,809.32
  6. Step 6: Final answer
    x = 10,073.68

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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.