Home / 21,435.84-32,164.56-9,746.64

Finding the Fourth Proportional to 21,435.84, 32,164.56 and 9,746.64

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Solution

The fourth proportional to 21,435.84, 32,164.56 and 9,746.64 is: 14,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.84 : 32,164.56 = 9,746.64 : x
  2. Step 2: Convert to fraction form
    21,435.84/32,164.56 = 9,746.64/x
  3. Step 3: Cross multiply
    21,435.84x = 32,164.56 × 9,746.64
  4. Step 4: Simplify right side
    21,435.84x = 313,496,387.08
  5. Step 5: Solve for x
    x = 313,496,387.08/21,435.84
  6. Step 6: Final answer
    x = 14,624.87

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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.