Home / 10,004.40-14,999.40-5,623.20

Finding the Fourth Proportional to 10,004.40, 14,999.40 and 5,623.20

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Solution

The fourth proportional to 10,004.40, 14,999.40 and 5,623.20 is: 8,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.40 : 14,999.40 = 5,623.20 : x
  2. Step 2: Convert to fraction form
    10,004.40/14,999.40 = 5,623.20/x
  3. Step 3: Cross multiply
    10,004.40x = 14,999.40 × 5,623.20
  4. Step 4: Simplify right side
    10,004.40x = 84,344,626.08
  5. Step 5: Solve for x
    x = 84,344,626.08/10,004.40
  6. Step 6: Final answer
    x = 8,430.75

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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.