Home / 9,938.70-14,913.45-4,095.90

Finding the Fourth Proportional to 9,938.70, 14,913.45 and 4,095.90

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Solution

The fourth proportional to 9,938.70, 14,913.45 and 4,095.90 is: 6,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.70 : 14,913.45 = 4,095.90 : x
  2. Step 2: Convert to fraction form
    9,938.70/14,913.45 = 4,095.90/x
  3. Step 3: Cross multiply
    9,938.70x = 14,913.45 × 4,095.90
  4. Step 4: Simplify right side
    9,938.70x = 61,083,999.86
  5. Step 5: Solve for x
    x = 61,083,999.86/9,938.70
  6. Step 6: Final answer
    x = 6,146.08

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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.