Home / 20,289.06-30,438.72-6,248.52

Finding the Fourth Proportional to 20,289.06, 30,438.72 and 6,248.52

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Solution

The fourth proportional to 20,289.06, 30,438.72 and 6,248.52 is: 9,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.06 : 30,438.72 = 6,248.52 : x
  2. Step 2: Convert to fraction form
    20,289.06/30,438.72 = 6,248.52/x
  3. Step 3: Cross multiply
    20,289.06x = 30,438.72 × 6,248.52
  4. Step 4: Simplify right side
    20,289.06x = 190,196,950.69
  5. Step 5: Solve for x
    x = 190,196,950.69/20,289.06
  6. Step 6: Final answer
    x = 9,374.36

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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.