Home / 19,847.30-27,393.93-13,484.34

Finding the Fourth Proportional to 19,847.30, 27,393.93 and 13,484.34

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Solution

The fourth proportional to 19,847.30, 27,393.93 and 13,484.34 is: 18,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.30 : 27,393.93 = 13,484.34 : x
  2. Step 2: Convert to fraction form
    19,847.30/27,393.93 = 13,484.34/x
  3. Step 3: Cross multiply
    19,847.30x = 27,393.93 × 13,484.34
  4. Step 4: Simplify right side
    19,847.30x = 369,389,066.06
  5. Step 5: Solve for x
    x = 369,389,066.06/19,847.30
  6. Step 6: Final answer
    x = 18,611.56

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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.