Home / 21,579.35-32,368.28-6,787.94

Finding the Fourth Proportional to 21,579.35, 32,368.28 and 6,787.94

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Solution

The fourth proportional to 21,579.35, 32,368.28 and 6,787.94 is: 10,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.35 : 32,368.28 = 6,787.94 : x
  2. Step 2: Convert to fraction form
    21,579.35/32,368.28 = 6,787.94/x
  3. Step 3: Cross multiply
    21,579.35x = 32,368.28 × 6,787.94
  4. Step 4: Simplify right side
    21,579.35x = 219,713,746.76
  5. Step 5: Solve for x
    x = 219,713,746.76/21,579.35
  6. Step 6: Final answer
    x = 10,181.67

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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.