Home / 11,876.36-16,390.35-6,572.88

Finding the Fourth Proportional to 11,876.36, 16,390.35 and 6,572.88

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Solution

The fourth proportional to 11,876.36, 16,390.35 and 6,572.88 is: 9,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.36 : 16,390.35 = 6,572.88 : x
  2. Step 2: Convert to fraction form
    11,876.36/16,390.35 = 6,572.88/x
  3. Step 3: Cross multiply
    11,876.36x = 16,390.35 × 6,572.88
  4. Step 4: Simplify right side
    11,876.36x = 107,731,803.71
  5. Step 5: Solve for x
    x = 107,731,803.71/11,876.36
  6. Step 6: Final answer
    x = 9,071.12

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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.