Home / 21,500.96-32,264.40-8,362.40

Finding the Fourth Proportional to 21,500.96, 32,264.40 and 8,362.40

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Solution

The fourth proportional to 21,500.96, 32,264.40 and 8,362.40 is: 12,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.96 : 32,264.40 = 8,362.40 : x
  2. Step 2: Convert to fraction form
    21,500.96/32,264.40 = 8,362.40/x
  3. Step 3: Cross multiply
    21,500.96x = 32,264.40 × 8,362.40
  4. Step 4: Simplify right side
    21,500.96x = 269,807,818.56
  5. Step 5: Solve for x
    x = 269,807,818.56/21,500.96
  6. Step 6: Final answer
    x = 12,548.64

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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.