Home / 10,430.50-15,639.44-4,097.80

Finding the Fourth Proportional to 10,430.50, 15,639.44 and 4,097.80

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Solution

The fourth proportional to 10,430.50, 15,639.44 and 4,097.80 is: 6,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.50 : 15,639.44 = 4,097.80 : x
  2. Step 2: Convert to fraction form
    10,430.50/15,639.44 = 4,097.80/x
  3. Step 3: Cross multiply
    10,430.50x = 15,639.44 × 4,097.80
  4. Step 4: Simplify right side
    10,430.50x = 64,087,237.64
  5. Step 5: Solve for x
    x = 64,087,237.64/10,430.50
  6. Step 6: Final answer
    x = 6,144.22

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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.