Home / 10,442.09-15,668.53-6,934.52

Finding the Fourth Proportional to 10,442.09, 15,668.53 and 6,934.52

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Solution

The fourth proportional to 10,442.09, 15,668.53 and 6,934.52 is: 10,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.09 : 15,668.53 = 6,934.52 : x
  2. Step 2: Convert to fraction form
    10,442.09/15,668.53 = 6,934.52/x
  3. Step 3: Cross multiply
    10,442.09x = 15,668.53 × 6,934.52
  4. Step 4: Simplify right side
    10,442.09x = 108,653,756.49
  5. Step 5: Solve for x
    x = 108,653,756.49/10,442.09
  6. Step 6: Final answer
    x = 10,405.36

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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.