Home / 10,668.56-14,718.50-6,682.74

Finding the Fourth Proportional to 10,668.56, 14,718.50 and 6,682.74

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Solution

The fourth proportional to 10,668.56, 14,718.50 and 6,682.74 is: 9,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.56 : 14,718.50 = 6,682.74 : x
  2. Step 2: Convert to fraction form
    10,668.56/14,718.50 = 6,682.74/x
  3. Step 3: Cross multiply
    10,668.56x = 14,718.50 × 6,682.74
  4. Step 4: Simplify right side
    10,668.56x = 98,359,908.69
  5. Step 5: Solve for x
    x = 98,359,908.69/10,668.56
  6. Step 6: Final answer
    x = 9,219.60

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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.