Home / 17,818.47-26,727.71-12,254.99

Finding the Fourth Proportional to 17,818.47, 26,727.71 and 12,254.99

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Solution

The fourth proportional to 17,818.47, 26,727.71 and 12,254.99 is: 18,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.47 : 26,727.71 = 12,254.99 : x
  2. Step 2: Convert to fraction form
    17,818.47/26,727.71 = 12,254.99/x
  3. Step 3: Cross multiply
    17,818.47x = 26,727.71 × 12,254.99
  4. Step 4: Simplify right side
    17,818.47x = 327,547,623.86
  5. Step 5: Solve for x
    x = 327,547,623.86/17,818.47
  6. Step 6: Final answer
    x = 18,382.48

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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.