Home / 15,297.91-21,110.93-8,583.52

Finding the Fourth Proportional to 15,297.91, 21,110.93 and 8,583.52

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Solution

The fourth proportional to 15,297.91, 21,110.93 and 8,583.52 is: 11,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.91 : 21,110.93 = 8,583.52 : x
  2. Step 2: Convert to fraction form
    15,297.91/21,110.93 = 8,583.52/x
  3. Step 3: Cross multiply
    15,297.91x = 21,110.93 × 8,583.52
  4. Step 4: Simplify right side
    15,297.91x = 181,206,065.95
  5. Step 5: Solve for x
    x = 181,206,065.95/15,297.91
  6. Step 6: Final answer
    x = 11,845.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.