Home / 10,668.58-14,720.36-6,191.76

Finding the Fourth Proportional to 10,668.58, 14,720.36 and 6,191.76

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Solution

The fourth proportional to 10,668.58, 14,720.36 and 6,191.76 is: 8,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.58 : 14,720.36 = 6,191.76 : x
  2. Step 2: Convert to fraction form
    10,668.58/14,720.36 = 6,191.76/x
  3. Step 3: Cross multiply
    10,668.58x = 14,720.36 × 6,191.76
  4. Step 4: Simplify right side
    10,668.58x = 91,144,936.23
  5. Step 5: Solve for x
    x = 91,144,936.23/10,668.58
  6. Step 6: Final answer
    x = 8,543.31

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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.