Home / 20,186.04-30,284.12-7,038.52

Finding the Fourth Proportional to 20,186.04, 30,284.12 and 7,038.52

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Solution

The fourth proportional to 20,186.04, 30,284.12 and 7,038.52 is: 10,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.04 : 30,284.12 = 7,038.52 : x
  2. Step 2: Convert to fraction form
    20,186.04/30,284.12 = 7,038.52/x
  3. Step 3: Cross multiply
    20,186.04x = 30,284.12 × 7,038.52
  4. Step 4: Simplify right side
    20,186.04x = 213,155,384.30
  5. Step 5: Solve for x
    x = 213,155,384.30/20,186.04
  6. Step 6: Final answer
    x = 10,559.54

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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.