Home / 18,799.68-25,946.28-10,840.32

Finding the Fourth Proportional to 18,799.68, 25,946.28 and 10,840.32

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Solution

The fourth proportional to 18,799.68, 25,946.28 and 10,840.32 is: 14,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.68 : 25,946.28 = 10,840.32 : x
  2. Step 2: Convert to fraction form
    18,799.68/25,946.28 = 10,840.32/x
  3. Step 3: Cross multiply
    18,799.68x = 25,946.28 × 10,840.32
  4. Step 4: Simplify right side
    18,799.68x = 281,265,978.01
  5. Step 5: Solve for x
    x = 281,265,978.01/18,799.68
  6. Step 6: Final answer
    x = 14,961.21

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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.