Home / 21,569.96-32,353.40-6,783.11

Finding the Fourth Proportional to 21,569.96, 32,353.40 and 6,783.11

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Solution

The fourth proportional to 21,569.96, 32,353.40 and 6,783.11 is: 10,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.96 : 32,353.40 = 6,783.11 : x
  2. Step 2: Convert to fraction form
    21,569.96/32,353.40 = 6,783.11/x
  3. Step 3: Cross multiply
    21,569.96x = 32,353.40 × 6,783.11
  4. Step 4: Simplify right side
    21,569.96x = 219,456,671.07
  5. Step 5: Solve for x
    x = 219,456,671.07/21,569.96
  6. Step 6: Final answer
    x = 10,174.18

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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.