Home / 10,345.50-14,279.22-6,156.18

Finding the Fourth Proportional to 10,345.50, 14,279.22 and 6,156.18

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Solution

The fourth proportional to 10,345.50, 14,279.22 and 6,156.18 is: 8,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.50 : 14,279.22 = 6,156.18 : x
  2. Step 2: Convert to fraction form
    10,345.50/14,279.22 = 6,156.18/x
  3. Step 3: Cross multiply
    10,345.50x = 14,279.22 × 6,156.18
  4. Step 4: Simplify right side
    10,345.50x = 87,905,448.58
  5. Step 5: Solve for x
    x = 87,905,448.58/10,345.50
  6. Step 6: Final answer
    x = 8,496.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.