Home / 9,931.37-14,890.37-5,246.46

Finding the Fourth Proportional to 9,931.37, 14,890.37 and 5,246.46

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Solution

The fourth proportional to 9,931.37, 14,890.37 and 5,246.46 is: 7,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.37 : 14,890.37 = 5,246.46 : x
  2. Step 2: Convert to fraction form
    9,931.37/14,890.37 = 5,246.46/x
  3. Step 3: Cross multiply
    9,931.37x = 14,890.37 × 5,246.46
  4. Step 4: Simplify right side
    9,931.37x = 78,121,704.36
  5. Step 5: Solve for x
    x = 78,121,704.36/9,931.37
  6. Step 6: Final answer
    x = 7,866.16

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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.