Home / 18,988.32-26,204.40-10,604.64

Finding the Fourth Proportional to 18,988.32, 26,204.40 and 10,604.64

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Solution

The fourth proportional to 18,988.32, 26,204.40 and 10,604.64 is: 14,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.32 : 26,204.40 = 10,604.64 : x
  2. Step 2: Convert to fraction form
    18,988.32/26,204.40 = 10,604.64/x
  3. Step 3: Cross multiply
    18,988.32x = 26,204.40 × 10,604.64
  4. Step 4: Simplify right side
    18,988.32x = 277,888,228.42
  5. Step 5: Solve for x
    x = 277,888,228.42/18,988.32
  6. Step 6: Final answer
    x = 14,634.69

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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.