Home / 10,878.48-14,899.84-10,240.16

Finding the Fourth Proportional to 10,878.48, 14,899.84 and 10,240.16

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Solution

The fourth proportional to 10,878.48, 14,899.84 and 10,240.16 is: 14,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.48 : 14,899.84 = 10,240.16 : x
  2. Step 2: Convert to fraction form
    10,878.48/14,899.84 = 10,240.16/x
  3. Step 3: Cross multiply
    10,878.48x = 14,899.84 × 10,240.16
  4. Step 4: Simplify right side
    10,878.48x = 152,576,745.57
  5. Step 5: Solve for x
    x = 152,576,745.57/10,878.48
  6. Step 6: Final answer
    x = 14,025.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.