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Finding the Fourth Proportional to 14,860.44, 22,292.82 and 7,931.16

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Solution

The fourth proportional to 14,860.44, 22,292.82 and 7,931.16 is: 11,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.44 : 22,292.82 = 7,931.16 : x
  2. Step 2: Convert to fraction form
    14,860.44/22,292.82 = 7,931.16/x
  3. Step 3: Cross multiply
    14,860.44x = 22,292.82 × 7,931.16
  4. Step 4: Simplify right side
    14,860.44x = 176,807,922.27
  5. Step 5: Solve for x
    x = 176,807,922.27/14,860.44
  6. Step 6: Final answer
    x = 11,897.89

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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.