Home / 20,348.76-30,518.36-5,554.16

Finding the Fourth Proportional to 20,348.76, 30,518.36 and 5,554.16

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Solution

The fourth proportional to 20,348.76, 30,518.36 and 5,554.16 is: 8,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.76 : 30,518.36 = 5,554.16 : x
  2. Step 2: Convert to fraction form
    20,348.76/30,518.36 = 5,554.16/x
  3. Step 3: Cross multiply
    20,348.76x = 30,518.36 × 5,554.16
  4. Step 4: Simplify right side
    20,348.76x = 169,503,674.02
  5. Step 5: Solve for x
    x = 169,503,674.02/20,348.76
  6. Step 6: Final answer
    x = 8,329.93

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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.