Home / 20,148.33-30,167.11-15,203.01

Finding the Fourth Proportional to 20,148.33, 30,167.11 and 15,203.01

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Solution

The fourth proportional to 20,148.33, 30,167.11 and 15,203.01 is: 22,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.33 : 30,167.11 = 15,203.01 : x
  2. Step 2: Convert to fraction form
    20,148.33/30,167.11 = 15,203.01/x
  3. Step 3: Cross multiply
    20,148.33x = 30,167.11 × 15,203.01
  4. Step 4: Simplify right side
    20,148.33x = 458,630,875.00
  5. Step 5: Solve for x
    x = 458,630,875.00/20,148.33
  6. Step 6: Final answer
    x = 22,762.72

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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.