Home / 18,693.14-28,031.51-6,998.16

Finding the Fourth Proportional to 18,693.14, 28,031.51 and 6,998.16

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Solution

The fourth proportional to 18,693.14, 28,031.51 and 6,998.16 is: 10,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.14 : 28,031.51 = 6,998.16 : x
  2. Step 2: Convert to fraction form
    18,693.14/28,031.51 = 6,998.16/x
  3. Step 3: Cross multiply
    18,693.14x = 28,031.51 × 6,998.16
  4. Step 4: Simplify right side
    18,693.14x = 196,168,992.02
  5. Step 5: Solve for x
    x = 196,168,992.02/18,693.14
  6. Step 6: Final answer
    x = 10,494.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.