Home / 10,003.48-15,008.46-4,808.68

Finding the Fourth Proportional to 10,003.48, 15,008.46 and 4,808.68

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Solution

The fourth proportional to 10,003.48, 15,008.46 and 4,808.68 is: 7,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.48 : 15,008.46 = 4,808.68 : x
  2. Step 2: Convert to fraction form
    10,003.48/15,008.46 = 4,808.68/x
  3. Step 3: Cross multiply
    10,003.48x = 15,008.46 × 4,808.68
  4. Step 4: Simplify right side
    10,003.48x = 72,170,881.43
  5. Step 5: Solve for x
    x = 72,170,881.43/10,003.48
  6. Step 6: Final answer
    x = 7,214.58

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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.