Home / 20,177.69-30,266.68-7,030.04

Finding the Fourth Proportional to 20,177.69, 30,266.68 and 7,030.04

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Solution

The fourth proportional to 20,177.69, 30,266.68 and 7,030.04 is: 10,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.69 : 30,266.68 = 7,030.04 : x
  2. Step 2: Convert to fraction form
    20,177.69/30,266.68 = 7,030.04/x
  3. Step 3: Cross multiply
    20,177.69x = 30,266.68 × 7,030.04
  4. Step 4: Simplify right side
    20,177.69x = 212,775,971.07
  5. Step 5: Solve for x
    x = 212,775,971.07/20,177.69
  6. Step 6: Final answer
    x = 10,545.11

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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.