Home / 10,221.99-14,106.47-6,188.76

Finding the Fourth Proportional to 10,221.99, 14,106.47 and 6,188.76

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Solution

The fourth proportional to 10,221.99, 14,106.47 and 6,188.76 is: 8,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.99 : 14,106.47 = 6,188.76 : x
  2. Step 2: Convert to fraction form
    10,221.99/14,106.47 = 6,188.76/x
  3. Step 3: Cross multiply
    10,221.99x = 14,106.47 × 6,188.76
  4. Step 4: Simplify right side
    10,221.99x = 87,301,557.28
  5. Step 5: Solve for x
    x = 87,301,557.28/10,221.99
  6. Step 6: Final answer
    x = 8,540.56

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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.