Home / 10,280.51-15,387.65-6,773.41

Finding the Fourth Proportional to 10,280.51, 15,387.65 and 6,773.41

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Solution

The fourth proportional to 10,280.51, 15,387.65 and 6,773.41 is: 10,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.51 : 15,387.65 = 6,773.41 : x
  2. Step 2: Convert to fraction form
    10,280.51/15,387.65 = 6,773.41/x
  3. Step 3: Cross multiply
    10,280.51x = 15,387.65 × 6,773.41
  4. Step 4: Simplify right side
    10,280.51x = 104,226,862.39
  5. Step 5: Solve for x
    x = 104,226,862.39/10,280.51
  6. Step 6: Final answer
    x = 10,138.30

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1.5x scale

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.