Home / 10,645.12-14,690.36-6,668.56

Finding the Fourth Proportional to 10,645.12, 14,690.36 and 6,668.56

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Solution

The fourth proportional to 10,645.12, 14,690.36 and 6,668.56 is: 9,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.12 : 14,690.36 = 6,668.56 : x
  2. Step 2: Convert to fraction form
    10,645.12/14,690.36 = 6,668.56/x
  3. Step 3: Cross multiply
    10,645.12x = 14,690.36 × 6,668.56
  4. Step 4: Simplify right side
    10,645.12x = 97,963,582.12
  5. Step 5: Solve for x
    x = 97,963,582.12/10,645.12
  6. Step 6: Final answer
    x = 9,202.67

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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.