Home / 15,392.30-21,244.48-12,028.46

Finding the Fourth Proportional to 15,392.30, 21,244.48 and 12,028.46

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Solution

The fourth proportional to 15,392.30, 21,244.48 and 12,028.46 is: 16,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,392.30 : 21,244.48 = 12,028.46 : x
  2. Step 2: Convert to fraction form
    15,392.30/21,244.48 = 12,028.46/x
  3. Step 3: Cross multiply
    15,392.30x = 21,244.48 × 12,028.46
  4. Step 4: Simplify right side
    15,392.30x = 255,538,241.61
  5. Step 5: Solve for x
    x = 255,538,241.61/15,392.30
  6. Step 6: Final answer
    x = 16,601.70

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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.