Home / 10,668.34-15,971.50-6,212.40

Finding the Fourth Proportional to 10,668.34, 15,971.50 and 6,212.40

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Solution

The fourth proportional to 10,668.34, 15,971.50 and 6,212.40 is: 9,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.34 : 15,971.50 = 6,212.40 : x
  2. Step 2: Convert to fraction form
    10,668.34/15,971.50 = 6,212.40/x
  3. Step 3: Cross multiply
    10,668.34x = 15,971.50 × 6,212.40
  4. Step 4: Simplify right side
    10,668.34x = 99,221,301.12
  5. Step 5: Solve for x
    x = 99,221,301.12/10,668.34
  6. Step 6: Final answer
    x = 9,300.54

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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.