Home / 20,097.96-30,146.35-5,307.01

Finding the Fourth Proportional to 20,097.96, 30,146.35 and 5,307.01

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Solution

The fourth proportional to 20,097.96, 30,146.35 and 5,307.01 is: 7,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.96 : 30,146.35 = 5,307.01 : x
  2. Step 2: Convert to fraction form
    20,097.96/30,146.35 = 5,307.01/x
  3. Step 3: Cross multiply
    20,097.96x = 30,146.35 × 5,307.01
  4. Step 4: Simplify right side
    20,097.96x = 159,986,874.76
  5. Step 5: Solve for x
    x = 159,986,874.76/20,097.96
  6. Step 6: Final answer
    x = 7,960.35

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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.