Home / 20,248.81-30,373.48-7,101.56

Finding the Fourth Proportional to 20,248.81, 30,373.48 and 7,101.56

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Solution

The fourth proportional to 20,248.81, 30,373.48 and 7,101.56 is: 10,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.81 : 30,373.48 = 7,101.56 : x
  2. Step 2: Convert to fraction form
    20,248.81/30,373.48 = 7,101.56/x
  3. Step 3: Cross multiply
    20,248.81x = 30,373.48 × 7,101.56
  4. Step 4: Simplify right side
    20,248.81x = 215,699,090.63
  5. Step 5: Solve for x
    x = 215,699,090.63/20,248.81
  6. Step 6: Final answer
    x = 10,652.44

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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.