Home / 19,983.02-27,575.06-11,485.14

Finding the Fourth Proportional to 19,983.02, 27,575.06 and 11,485.14

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Solution

The fourth proportional to 19,983.02, 27,575.06 and 11,485.14 is: 15,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.02 : 27,575.06 = 11,485.14 : x
  2. Step 2: Convert to fraction form
    19,983.02/27,575.06 = 11,485.14/x
  3. Step 3: Cross multiply
    19,983.02x = 27,575.06 × 11,485.14
  4. Step 4: Simplify right side
    19,983.02x = 316,703,367.18
  5. Step 5: Solve for x
    x = 316,703,367.18/19,983.02
  6. Step 6: Final answer
    x = 15,848.63

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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.