Home / 17,329.10-23,914.40-9,775.78

Finding the Fourth Proportional to 17,329.10, 23,914.40 and 9,775.78

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Solution

The fourth proportional to 17,329.10, 23,914.40 and 9,775.78 is: 13,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.10 : 23,914.40 = 9,775.78 : x
  2. Step 2: Convert to fraction form
    17,329.10/23,914.40 = 9,775.78/x
  3. Step 3: Cross multiply
    17,329.10x = 23,914.40 × 9,775.78
  4. Step 4: Simplify right side
    17,329.10x = 233,781,913.23
  5. Step 5: Solve for x
    x = 233,781,913.23/17,329.10
  6. Step 6: Final answer
    x = 13,490.71

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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.