Home / 15,635.48-21,580.32-9,968.93

Finding the Fourth Proportional to 15,635.48, 21,580.32 and 9,968.93

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Solution

The fourth proportional to 15,635.48, 21,580.32 and 9,968.93 is: 13,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.48 : 21,580.32 = 9,968.93 : x
  2. Step 2: Convert to fraction form
    15,635.48/21,580.32 = 9,968.93/x
  3. Step 3: Cross multiply
    15,635.48x = 21,580.32 × 9,968.93
  4. Step 4: Simplify right side
    15,635.48x = 215,132,699.46
  5. Step 5: Solve for x
    x = 215,132,699.46/15,635.48
  6. Step 6: Final answer
    x = 13,759.26

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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.