Home / 13,114.08-19,677.47-6,541.20

Finding the Fourth Proportional to 13,114.08, 19,677.47 and 6,541.20

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Solution

The fourth proportional to 13,114.08, 19,677.47 and 6,541.20 is: 9,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.08 : 19,677.47 = 6,541.20 : x
  2. Step 2: Convert to fraction form
    13,114.08/19,677.47 = 6,541.20/x
  3. Step 3: Cross multiply
    13,114.08x = 19,677.47 × 6,541.20
  4. Step 4: Simplify right side
    13,114.08x = 128,714,234.06
  5. Step 5: Solve for x
    x = 128,714,234.06/13,114.08
  6. Step 6: Final answer
    x = 9,814.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.