Home / 15,466.68-21,342.42-9,177.84

Finding the Fourth Proportional to 15,466.68, 21,342.42 and 9,177.84

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Solution

The fourth proportional to 15,466.68, 21,342.42 and 9,177.84 is: 12,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.68 : 21,342.42 = 9,177.84 : x
  2. Step 2: Convert to fraction form
    15,466.68/21,342.42 = 9,177.84/x
  3. Step 3: Cross multiply
    15,466.68x = 21,342.42 × 9,177.84
  4. Step 4: Simplify right side
    15,466.68x = 195,877,315.97
  5. Step 5: Solve for x
    x = 195,877,315.97/15,466.68
  6. Step 6: Final answer
    x = 12,664.47

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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.