Home / 20,442.74-30,667.35-6,588.50

Finding the Fourth Proportional to 20,442.74, 30,667.35 and 6,588.50

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Solution

The fourth proportional to 20,442.74, 30,667.35 and 6,588.50 is: 9,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.74 : 30,667.35 = 6,588.50 : x
  2. Step 2: Convert to fraction form
    20,442.74/30,667.35 = 6,588.50/x
  3. Step 3: Cross multiply
    20,442.74x = 30,667.35 × 6,588.50
  4. Step 4: Simplify right side
    20,442.74x = 202,051,835.48
  5. Step 5: Solve for x
    x = 202,051,835.48/20,442.74
  6. Step 6: Final answer
    x = 9,883.79

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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.