Home / 15,274.59-21,050.42-11,912.10

Finding the Fourth Proportional to 15,274.59, 21,050.42 and 11,912.10

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Solution

The fourth proportional to 15,274.59, 21,050.42 and 11,912.10 is: 16,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.59 : 21,050.42 = 11,912.10 : x
  2. Step 2: Convert to fraction form
    15,274.59/21,050.42 = 11,912.10/x
  3. Step 3: Cross multiply
    15,274.59x = 21,050.42 × 11,912.10
  4. Step 4: Simplify right side
    15,274.59x = 250,754,648.52
  5. Step 5: Solve for x
    x = 250,754,648.52/15,274.59
  6. Step 6: Final answer
    x = 16,416.46

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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.