Home / 20,605.46-30,889.76-10,069.52

Finding the Fourth Proportional to 20,605.46, 30,889.76 and 10,069.52

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Solution

The fourth proportional to 20,605.46, 30,889.76 and 10,069.52 is: 15,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605.46 : 30,889.76 = 10,069.52 : x
  2. Step 2: Convert to fraction form
    20,605.46/30,889.76 = 10,069.52/x
  3. Step 3: Cross multiply
    20,605.46x = 30,889.76 × 10,069.52
  4. Step 4: Simplify right side
    20,605.46x = 311,044,851.32
  5. Step 5: Solve for x
    x = 311,044,851.32/20,605.46
  6. Step 6: Final answer
    x = 15,095.27

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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.