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Finding the Fourth Proportional to 14,657.93, 21,973.75 and 5,295.75

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Solution

The fourth proportional to 14,657.93, 21,973.75 and 5,295.75 is: 7,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.93 : 21,973.75 = 5,295.75 : x
  2. Step 2: Convert to fraction form
    14,657.93/21,973.75 = 5,295.75/x
  3. Step 3: Cross multiply
    14,657.93x = 21,973.75 × 5,295.75
  4. Step 4: Simplify right side
    14,657.93x = 116,367,486.56
  5. Step 5: Solve for x
    x = 116,367,486.56/14,657.93
  6. Step 6: Final answer
    x = 7,938.88

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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.