Home / 15,667.90-23,489.52-7,764.98

Finding the Fourth Proportional to 15,667.90, 23,489.52 and 7,764.98

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Solution

The fourth proportional to 15,667.90, 23,489.52 and 7,764.98 is: 11,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.90 : 23,489.52 = 7,764.98 : x
  2. Step 2: Convert to fraction form
    15,667.90/23,489.52 = 7,764.98/x
  3. Step 3: Cross multiply
    15,667.90x = 23,489.52 × 7,764.98
  4. Step 4: Simplify right side
    15,667.90x = 182,395,653.01
  5. Step 5: Solve for x
    x = 182,395,653.01/15,667.90
  6. Step 6: Final answer
    x = 11,641.36

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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.