Home / 18,979.64-26,191.40-10,482.38

Finding the Fourth Proportional to 18,979.64, 26,191.40 and 10,482.38

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Solution

The fourth proportional to 18,979.64, 26,191.40 and 10,482.38 is: 14,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.64 : 26,191.40 = 10,482.38 : x
  2. Step 2: Convert to fraction form
    18,979.64/26,191.40 = 10,482.38/x
  3. Step 3: Cross multiply
    18,979.64x = 26,191.40 × 10,482.38
  4. Step 4: Simplify right side
    18,979.64x = 274,548,207.53
  5. Step 5: Solve for x
    x = 274,548,207.53/18,979.64
  6. Step 6: Final answer
    x = 14,465.41

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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.