Home / 11,306.61-16,953.71-8,981.51

Finding the Fourth Proportional to 11,306.61, 16,953.71 and 8,981.51

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Solution

The fourth proportional to 11,306.61, 16,953.71 and 8,981.51 is: 13,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.61 : 16,953.71 = 8,981.51 : x
  2. Step 2: Convert to fraction form
    11,306.61/16,953.71 = 8,981.51/x
  3. Step 3: Cross multiply
    11,306.61x = 16,953.71 × 8,981.51
  4. Step 4: Simplify right side
    11,306.61x = 152,269,786.23
  5. Step 5: Solve for x
    x = 152,269,786.23/11,306.61
  6. Step 6: Final answer
    x = 13,467.32

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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.