Home / 11,462.81-15,819.44-6,427.35

Finding the Fourth Proportional to 11,462.81, 15,819.44 and 6,427.35

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Solution

The fourth proportional to 11,462.81, 15,819.44 and 6,427.35 is: 8,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.81 : 15,819.44 = 6,427.35 : x
  2. Step 2: Convert to fraction form
    11,462.81/15,819.44 = 6,427.35/x
  3. Step 3: Cross multiply
    11,462.81x = 15,819.44 × 6,427.35
  4. Step 4: Simplify right side
    11,462.81x = 101,677,045.55
  5. Step 5: Solve for x
    x = 101,677,045.55/11,462.81
  6. Step 6: Final answer
    x = 8,870.17

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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.