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Finding the Fourth Proportional to 19,913.81, 29,875.02 and 6,062.45

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Solution

The fourth proportional to 19,913.81, 29,875.02 and 6,062.45 is: 9,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.81 : 29,875.02 = 6,062.45 : x
  2. Step 2: Convert to fraction form
    19,913.81/29,875.02 = 6,062.45/x
  3. Step 3: Cross multiply
    19,913.81x = 29,875.02 × 6,062.45
  4. Step 4: Simplify right side
    19,913.81x = 181,115,665.62
  5. Step 5: Solve for x
    x = 181,115,665.62/19,913.81
  6. Step 6: Final answer
    x = 9,094.98

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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.