Home / 15,895.02-21,935.61-8,821.92

Finding the Fourth Proportional to 15,895.02, 21,935.61 and 8,821.92

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Solution

The fourth proportional to 15,895.02, 21,935.61 and 8,821.92 is: 12,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.02 : 21,935.61 = 8,821.92 : x
  2. Step 2: Convert to fraction form
    15,895.02/21,935.61 = 8,821.92/x
  3. Step 3: Cross multiply
    15,895.02x = 21,935.61 × 8,821.92
  4. Step 4: Simplify right side
    15,895.02x = 193,514,196.57
  5. Step 5: Solve for x
    x = 193,514,196.57/15,895.02
  6. Step 6: Final answer
    x = 12,174.52

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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.