Home / 9,909.88-14,857.70-4,975.96

Finding the Fourth Proportional to 9,909.88, 14,857.70 and 4,975.96

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Solution

The fourth proportional to 9,909.88, 14,857.70 and 4,975.96 is: 7,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.88 : 14,857.70 = 4,975.96 : x
  2. Step 2: Convert to fraction form
    9,909.88/14,857.70 = 4,975.96/x
  3. Step 3: Cross multiply
    9,909.88x = 14,857.70 × 4,975.96
  4. Step 4: Simplify right side
    9,909.88x = 73,931,320.89
  5. Step 5: Solve for x
    x = 73,931,320.89/9,909.88
  6. Step 6: Final answer
    x = 7,460.36

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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.