Home / 15,548.73-21,457.29-8,836.59

Finding the Fourth Proportional to 15,548.73, 21,457.29 and 8,836.59

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Solution

The fourth proportional to 15,548.73, 21,457.29 and 8,836.59 is: 12,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.73 : 21,457.29 = 8,836.59 : x
  2. Step 2: Convert to fraction form
    15,548.73/21,457.29 = 8,836.59/x
  3. Step 3: Cross multiply
    15,548.73x = 21,457.29 × 8,836.59
  4. Step 4: Simplify right side
    15,548.73x = 189,609,230.06
  5. Step 5: Solve for x
    x = 189,609,230.06/15,548.73
  6. Step 6: Final answer
    x = 12,194.52

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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.