Home / 17,988.13-26,983.86-8,632.63

Finding the Fourth Proportional to 17,988.13, 26,983.86 and 8,632.63

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Solution

The fourth proportional to 17,988.13, 26,983.86 and 8,632.63 is: 12,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.13 : 26,983.86 = 8,632.63 : x
  2. Step 2: Convert to fraction form
    17,988.13/26,983.86 = 8,632.63/x
  3. Step 3: Cross multiply
    17,988.13x = 26,983.86 × 8,632.63
  4. Step 4: Simplify right side
    17,988.13x = 232,941,679.35
  5. Step 5: Solve for x
    x = 232,941,679.35/17,988.13
  6. Step 6: Final answer
    x = 12,949.74

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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.