Home / 10,785.02-14,880.42-6,309.87

Finding the Fourth Proportional to 10,785.02, 14,880.42 and 6,309.87

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Solution

The fourth proportional to 10,785.02, 14,880.42 and 6,309.87 is: 8,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.02 : 14,880.42 = 6,309.87 : x
  2. Step 2: Convert to fraction form
    10,785.02/14,880.42 = 6,309.87/x
  3. Step 3: Cross multiply
    10,785.02x = 14,880.42 × 6,309.87
  4. Step 4: Simplify right side
    10,785.02x = 93,893,515.75
  5. Step 5: Solve for x
    x = 93,893,515.75/10,785.02
  6. Step 6: Final answer
    x = 8,705.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.