Home / 20,710.08-31,065.89-6,668.24

Finding the Fourth Proportional to 20,710.08, 31,065.89 and 6,668.24

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Solution

The fourth proportional to 20,710.08, 31,065.89 and 6,668.24 is: 10,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.08 : 31,065.89 = 6,668.24 : x
  2. Step 2: Convert to fraction form
    20,710.08/31,065.89 = 6,668.24/x
  3. Step 3: Cross multiply
    20,710.08x = 31,065.89 × 6,668.24
  4. Step 4: Simplify right side
    20,710.08x = 207,154,621.66
  5. Step 5: Solve for x
    x = 207,154,621.66/20,710.08
  6. Step 6: Final answer
    x = 10,002.60

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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.