Home / 10,053.78-13,880.33-6,280.19

Finding the Fourth Proportional to 10,053.78, 13,880.33 and 6,280.19

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Solution

The fourth proportional to 10,053.78, 13,880.33 and 6,280.19 is: 8,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.78 : 13,880.33 = 6,280.19 : x
  2. Step 2: Convert to fraction form
    10,053.78/13,880.33 = 6,280.19/x
  3. Step 3: Cross multiply
    10,053.78x = 13,880.33 × 6,280.19
  4. Step 4: Simplify right side
    10,053.78x = 87,171,109.66
  5. Step 5: Solve for x
    x = 87,171,109.66/10,053.78
  6. Step 6: Final answer
    x = 8,670.48

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1.5x scale

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.