Home / 17,077.74-23,567.30-9,420.84

Finding the Fourth Proportional to 17,077.74, 23,567.30 and 9,420.84

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Solution

The fourth proportional to 17,077.74, 23,567.30 and 9,420.84 is: 13,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.74 : 23,567.30 = 9,420.84 : x
  2. Step 2: Convert to fraction form
    17,077.74/23,567.30 = 9,420.84/x
  3. Step 3: Cross multiply
    17,077.74x = 23,567.30 × 9,420.84
  4. Step 4: Simplify right side
    17,077.74x = 222,023,777.25
  5. Step 5: Solve for x
    x = 222,023,777.25/17,077.74
  6. Step 6: Final answer
    x = 13,000.77

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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.