Home / 21,515.08-32,244.72-9,660.10

Finding the Fourth Proportional to 21,515.08, 32,244.72 and 9,660.10

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Solution

The fourth proportional to 21,515.08, 32,244.72 and 9,660.10 is: 14,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,515.08 : 32,244.72 = 9,660.10 : x
  2. Step 2: Convert to fraction form
    21,515.08/32,244.72 = 9,660.10/x
  3. Step 3: Cross multiply
    21,515.08x = 32,244.72 × 9,660.10
  4. Step 4: Simplify right side
    21,515.08x = 311,487,219.67
  5. Step 5: Solve for x
    x = 311,487,219.67/21,515.08
  6. Step 6: Final answer
    x = 14,477.62

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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.