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Finding the Fourth Proportional to 15,898.26, 21,941.62 and 9,610.62

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Solution

The fourth proportional to 15,898.26, 21,941.62 and 9,610.62 is: 13,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.26 : 21,941.62 = 9,610.62 : x
  2. Step 2: Convert to fraction form
    15,898.26/21,941.62 = 9,610.62/x
  3. Step 3: Cross multiply
    15,898.26x = 21,941.62 × 9,610.62
  4. Step 4: Simplify right side
    15,898.26x = 210,872,572.00
  5. Step 5: Solve for x
    x = 210,872,572.00/15,898.26
  6. Step 6: Final answer
    x = 13,263.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.