Home / 10,533.04-15,807.72-3,965.20

Finding the Fourth Proportional to 10,533.04, 15,807.72 and 3,965.20

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Solution

The fourth proportional to 10,533.04, 15,807.72 and 3,965.20 is: 5,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,533.04 : 15,807.72 = 3,965.20 : x
  2. Step 2: Convert to fraction form
    10,533.04/15,807.72 = 3,965.20/x
  3. Step 3: Cross multiply
    10,533.04x = 15,807.72 × 3,965.20
  4. Step 4: Simplify right side
    10,533.04x = 62,680,771.34
  5. Step 5: Solve for x
    x = 62,680,771.34/10,533.04
  6. Step 6: Final answer
    x = 5,950.87

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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.