Home / 9,487.40-14,231.10-6,668.60

Finding the Fourth Proportional to 9,487.40, 14,231.10 and 6,668.60

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Solution

The fourth proportional to 9,487.40, 14,231.10 and 6,668.60 is: 10,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.40 : 14,231.10 = 6,668.60 : x
  2. Step 2: Convert to fraction form
    9,487.40/14,231.10 = 6,668.60/x
  3. Step 3: Cross multiply
    9,487.40x = 14,231.10 × 6,668.60
  4. Step 4: Simplify right side
    9,487.40x = 94,901,513.46
  5. Step 5: Solve for x
    x = 94,901,513.46/9,487.40
  6. Step 6: Final answer
    x = 10,002.90

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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.