Home / 19,771.02-27,282.15-13,384.62

Finding the Fourth Proportional to 19,771.02, 27,282.15 and 13,384.62

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Solution

The fourth proportional to 19,771.02, 27,282.15 and 13,384.62 is: 18,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.02 : 27,282.15 = 13,384.62 : x
  2. Step 2: Convert to fraction form
    19,771.02/27,282.15 = 13,384.62/x
  3. Step 3: Cross multiply
    19,771.02x = 27,282.15 × 13,384.62
  4. Step 4: Simplify right side
    19,771.02x = 365,161,210.53
  5. Step 5: Solve for x
    x = 365,161,210.53/19,771.02
  6. Step 6: Final answer
    x = 18,469.52

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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.