Home / 20,266.04-30,403.13-7,116.68

Finding the Fourth Proportional to 20,266.04, 30,403.13 and 7,116.68

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Solution

The fourth proportional to 20,266.04, 30,403.13 and 7,116.68 is: 10,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.04 : 30,403.13 = 7,116.68 : x
  2. Step 2: Convert to fraction form
    20,266.04/30,403.13 = 7,116.68/x
  3. Step 3: Cross multiply
    20,266.04x = 30,403.13 × 7,116.68
  4. Step 4: Simplify right side
    20,266.04x = 216,369,159.61
  5. Step 5: Solve for x
    x = 216,369,159.61/20,266.04
  6. Step 6: Final answer
    x = 10,676.44

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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.