Home / 10,396.29-14,362.56-6,819.74

Finding the Fourth Proportional to 10,396.29, 14,362.56 and 6,819.74

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Solution

The fourth proportional to 10,396.29, 14,362.56 and 6,819.74 is: 9,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.29 : 14,362.56 = 6,819.74 : x
  2. Step 2: Convert to fraction form
    10,396.29/14,362.56 = 6,819.74/x
  3. Step 3: Cross multiply
    10,396.29x = 14,362.56 × 6,819.74
  4. Step 4: Simplify right side
    10,396.29x = 97,948,853.12
  5. Step 5: Solve for x
    x = 97,948,853.12/10,396.29
  6. Step 6: Final answer
    x = 9,421.52

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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.