Home / 18,721.02-28,067.67-8,848.77

Finding the Fourth Proportional to 18,721.02, 28,067.67 and 8,848.77

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Solution

The fourth proportional to 18,721.02, 28,067.67 and 8,848.77 is: 13,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.02 : 28,067.67 = 8,848.77 : x
  2. Step 2: Convert to fraction form
    18,721.02/28,067.67 = 8,848.77/x
  3. Step 3: Cross multiply
    18,721.02x = 28,067.67 × 8,848.77
  4. Step 4: Simplify right side
    18,721.02x = 248,364,356.27
  5. Step 5: Solve for x
    x = 248,364,356.27/18,721.02
  6. Step 6: Final answer
    x = 13,266.60

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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.