Home / 10,668.88-14,727.08-8,394.32

Finding the Fourth Proportional to 10,668.88, 14,727.08 and 8,394.32

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Solution

The fourth proportional to 10,668.88, 14,727.08 and 8,394.32 is: 11,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.88 : 14,727.08 = 8,394.32 : x
  2. Step 2: Convert to fraction form
    10,668.88/14,727.08 = 8,394.32/x
  3. Step 3: Cross multiply
    10,668.88x = 14,727.08 × 8,394.32
  4. Step 4: Simplify right side
    10,668.88x = 123,623,822.19
  5. Step 5: Solve for x
    x = 123,623,822.19/10,668.88
  6. Step 6: Final answer
    x = 11,587.33

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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.