Home / 10,156.64-15,225.81-3,581.66

Finding the Fourth Proportional to 10,156.64, 15,225.81 and 3,581.66

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Solution

The fourth proportional to 10,156.64, 15,225.81 and 3,581.66 is: 5,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.64 : 15,225.81 = 3,581.66 : x
  2. Step 2: Convert to fraction form
    10,156.64/15,225.81 = 3,581.66/x
  3. Step 3: Cross multiply
    10,156.64x = 15,225.81 × 3,581.66
  4. Step 4: Simplify right side
    10,156.64x = 54,533,674.64
  5. Step 5: Solve for x
    x = 54,533,674.64/10,156.64
  6. Step 6: Final answer
    x = 5,369.26

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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.