Home / 17,816.76-26,681.40-12,254.49

Finding the Fourth Proportional to 17,816.76, 26,681.40 and 12,254.49

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Solution

The fourth proportional to 17,816.76, 26,681.40 and 12,254.49 is: 18,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.76 : 26,681.40 = 12,254.49 : x
  2. Step 2: Convert to fraction form
    17,816.76/26,681.40 = 12,254.49/x
  3. Step 3: Cross multiply
    17,816.76x = 26,681.40 × 12,254.49
  4. Step 4: Simplify right side
    17,816.76x = 326,966,949.49
  5. Step 5: Solve for x
    x = 326,966,949.49/17,816.76
  6. Step 6: Final answer
    x = 18,351.65

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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.