Home / 17,938.48-26,907.78-5,458.60

Finding the Fourth Proportional to 17,938.48, 26,907.78 and 5,458.60

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Solution

The fourth proportional to 17,938.48, 26,907.78 and 5,458.60 is: 8,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.48 : 26,907.78 = 5,458.60 : x
  2. Step 2: Convert to fraction form
    17,938.48/26,907.78 = 5,458.60/x
  3. Step 3: Cross multiply
    17,938.48x = 26,907.78 × 5,458.60
  4. Step 4: Simplify right side
    17,938.48x = 146,878,807.91
  5. Step 5: Solve for x
    x = 146,878,807.91/17,938.48
  6. Step 6: Final answer
    x = 8,187.92

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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.