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Finding the Fourth Proportional to 14,903.25, 22,362.54 and 9,909.09

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Solution

The fourth proportional to 14,903.25, 22,362.54 and 9,909.09 is: 14,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.25 : 22,362.54 = 9,909.09 : x
  2. Step 2: Convert to fraction form
    14,903.25/22,362.54 = 9,909.09/x
  3. Step 3: Cross multiply
    14,903.25x = 22,362.54 × 9,909.09
  4. Step 4: Simplify right side
    14,903.25x = 221,592,421.49
  5. Step 5: Solve for x
    x = 221,592,421.49/14,903.25
  6. Step 6: Final answer
    x = 14,868.73

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1.5x scale

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.