Home / 9,877.15-14,812.63-3,301.80

Finding the Fourth Proportional to 9,877.15, 14,812.63 and 3,301.80

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Solution

The fourth proportional to 9,877.15, 14,812.63 and 3,301.80 is: 4,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.15 : 14,812.63 = 3,301.80 : x
  2. Step 2: Convert to fraction form
    9,877.15/14,812.63 = 3,301.80/x
  3. Step 3: Cross multiply
    9,877.15x = 14,812.63 × 3,301.80
  4. Step 4: Simplify right side
    9,877.15x = 48,908,267.67
  5. Step 5: Solve for x
    x = 48,908,267.67/9,877.15
  6. Step 6: Final answer
    x = 4,951.66

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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.