Home / 10,339.41-15,510.86-3,319.29

Finding the Fourth Proportional to 10,339.41, 15,510.86 and 3,319.29

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Solution

The fourth proportional to 10,339.41, 15,510.86 and 3,319.29 is: 4,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.41 : 15,510.86 = 3,319.29 : x
  2. Step 2: Convert to fraction form
    10,339.41/15,510.86 = 3,319.29/x
  3. Step 3: Cross multiply
    10,339.41x = 15,510.86 × 3,319.29
  4. Step 4: Simplify right side
    10,339.41x = 51,485,038.34
  5. Step 5: Solve for x
    x = 51,485,038.34/10,339.41
  6. Step 6: Final answer
    x = 4,979.49

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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.