Home / 13,760.48-20,547.46-10,805.60

Finding the Fourth Proportional to 13,760.48, 20,547.46 and 10,805.60

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Solution

The fourth proportional to 13,760.48, 20,547.46 and 10,805.60 is: 16,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.48 : 20,547.46 = 10,805.60 : x
  2. Step 2: Convert to fraction form
    13,760.48/20,547.46 = 10,805.60/x
  3. Step 3: Cross multiply
    13,760.48x = 20,547.46 × 10,805.60
  4. Step 4: Simplify right side
    13,760.48x = 222,027,633.78
  5. Step 5: Solve for x
    x = 222,027,633.78/13,760.48
  6. Step 6: Final answer
    x = 16,135.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.