Home / 18,656.02-27,984-12,794.86

Finding the Fourth Proportional to 18,656.02, 27,984 and 12,794.86

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Solution

The fourth proportional to 18,656.02, 27,984 and 12,794.86 is: 19,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.02 : 27,984 = 12,794.86 : x
  2. Step 2: Convert to fraction form
    18,656.02/27,984 = 12,794.86/x
  3. Step 3: Cross multiply
    18,656.02x = 27,984 × 12,794.86
  4. Step 4: Simplify right side
    18,656.02x = 358,051,362.24
  5. Step 5: Solve for x
    x = 358,051,362.24/18,656.02
  6. Step 6: Final answer
    x = 19,192.27

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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.