Home / 17,988.27-26,981.38-6,894.51

Finding the Fourth Proportional to 17,988.27, 26,981.38 and 6,894.51

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Solution

The fourth proportional to 17,988.27, 26,981.38 and 6,894.51 is: 10,341.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.27 : 26,981.38 = 6,894.51 : x
  2. Step 2: Convert to fraction form
    17,988.27/26,981.38 = 6,894.51/x
  3. Step 3: Cross multiply
    17,988.27x = 26,981.38 × 6,894.51
  4. Step 4: Simplify right side
    17,988.27x = 186,023,394.22
  5. Step 5: Solve for x
    x = 186,023,394.22/17,988.27
  6. Step 6: Final answer
    x = 10,341.37

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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.