Home / 21,563.40-32,345.10-5,981.04

Finding the Fourth Proportional to 21,563.40, 32,345.10 and 5,981.04

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Solution

The fourth proportional to 21,563.40, 32,345.10 and 5,981.04 is: 8,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.40 : 32,345.10 = 5,981.04 : x
  2. Step 2: Convert to fraction form
    21,563.40/32,345.10 = 5,981.04/x
  3. Step 3: Cross multiply
    21,563.40x = 32,345.10 × 5,981.04
  4. Step 4: Simplify right side
    21,563.40x = 193,457,336.90
  5. Step 5: Solve for x
    x = 193,457,336.90/21,563.40
  6. Step 6: Final answer
    x = 8,971.56

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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.