Home / 15,494.88-21,374.64-10,770.96

Finding the Fourth Proportional to 15,494.88, 21,374.64 and 10,770.96

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Solution

The fourth proportional to 15,494.88, 21,374.64 and 10,770.96 is: 14,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.88 : 21,374.64 = 10,770.96 : x
  2. Step 2: Convert to fraction form
    15,494.88/21,374.64 = 10,770.96/x
  3. Step 3: Cross multiply
    15,494.88x = 21,374.64 × 10,770.96
  4. Step 4: Simplify right side
    15,494.88x = 230,225,392.45
  5. Step 5: Solve for x
    x = 230,225,392.45/15,494.88
  6. Step 6: Final answer
    x = 14,858.16

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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.