Home / 10,668.04-14,723.20-6,421.31

Finding the Fourth Proportional to 10,668.04, 14,723.20 and 6,421.31

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Solution

The fourth proportional to 10,668.04, 14,723.20 and 6,421.31 is: 8,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.04 : 14,723.20 = 6,421.31 : x
  2. Step 2: Convert to fraction form
    10,668.04/14,723.20 = 6,421.31/x
  3. Step 3: Cross multiply
    10,668.04x = 14,723.20 × 6,421.31
  4. Step 4: Simplify right side
    10,668.04x = 94,542,231.39
  5. Step 5: Solve for x
    x = 94,542,231.39/10,668.04
  6. Step 6: Final answer
    x = 8,862.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.