Home / 15,708.48-23,531.94-9,120.84

Finding the Fourth Proportional to 15,708.48, 23,531.94 and 9,120.84

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Solution

The fourth proportional to 15,708.48, 23,531.94 and 9,120.84 is: 13,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.48 : 23,531.94 = 9,120.84 : x
  2. Step 2: Convert to fraction form
    15,708.48/23,531.94 = 9,120.84/x
  3. Step 3: Cross multiply
    15,708.48x = 23,531.94 × 9,120.84
  4. Step 4: Simplify right side
    15,708.48x = 214,631,059.63
  5. Step 5: Solve for x
    x = 214,631,059.63/15,708.48
  6. Step 6: Final answer
    x = 13,663.39

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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.