Home / 21,591.54-29,795.58-13,094.64

Finding the Fourth Proportional to 21,591.54, 29,795.58 and 13,094.64

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Solution

The fourth proportional to 21,591.54, 29,795.58 and 13,094.64 is: 18,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.54 : 29,795.58 = 13,094.64 : x
  2. Step 2: Convert to fraction form
    21,591.54/29,795.58 = 13,094.64/x
  3. Step 3: Cross multiply
    21,591.54x = 29,795.58 × 13,094.64
  4. Step 4: Simplify right side
    21,591.54x = 390,162,393.69
  5. Step 5: Solve for x
    x = 390,162,393.69/21,591.54
  6. Step 6: Final answer
    x = 18,070.15

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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.