Home / 10,762.59-16,144.81-2,971.40

Finding the Fourth Proportional to 10,762.59, 16,144.81 and 2,971.40

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Solution

The fourth proportional to 10,762.59, 16,144.81 and 2,971.40 is: 4,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.59 : 16,144.81 = 2,971.40 : x
  2. Step 2: Convert to fraction form
    10,762.59/16,144.81 = 2,971.40/x
  3. Step 3: Cross multiply
    10,762.59x = 16,144.81 × 2,971.40
  4. Step 4: Simplify right side
    10,762.59x = 47,972,721.37
  5. Step 5: Solve for x
    x = 47,972,721.37/10,762.59
  6. Step 6: Final answer
    x = 4,457.36

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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.