Home / 9,619.78-14,417.90-5,463.28

Finding the Fourth Proportional to 9,619.78, 14,417.90 and 5,463.28

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Solution

The fourth proportional to 9,619.78, 14,417.90 and 5,463.28 is: 8,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.78 : 14,417.90 = 5,463.28 : x
  2. Step 2: Convert to fraction form
    9,619.78/14,417.90 = 5,463.28/x
  3. Step 3: Cross multiply
    9,619.78x = 14,417.90 × 5,463.28
  4. Step 4: Simplify right side
    9,619.78x = 78,769,024.71
  5. Step 5: Solve for x
    x = 78,769,024.71/9,619.78
  6. Step 6: Final answer
    x = 8,188.24

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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.