Home / 20,541.04-30,816.18-6,501.90

Finding the Fourth Proportional to 20,541.04, 30,816.18 and 6,501.90

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Solution

The fourth proportional to 20,541.04, 30,816.18 and 6,501.90 is: 9,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.04 : 30,816.18 = 6,501.90 : x
  2. Step 2: Convert to fraction form
    20,541.04/30,816.18 = 6,501.90/x
  3. Step 3: Cross multiply
    20,541.04x = 30,816.18 × 6,501.90
  4. Step 4: Simplify right side
    20,541.04x = 200,363,836.30
  5. Step 5: Solve for x
    x = 200,363,836.30/20,541.04
  6. Step 6: Final answer
    x = 9,754.32

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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.