Home / 19,798.02-27,321.93-13,346.28

Finding the Fourth Proportional to 19,798.02, 27,321.93 and 13,346.28

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Solution

The fourth proportional to 19,798.02, 27,321.93 and 13,346.28 is: 18,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.02 : 27,321.93 = 13,346.28 : x
  2. Step 2: Convert to fraction form
    19,798.02/27,321.93 = 13,346.28/x
  3. Step 3: Cross multiply
    19,798.02x = 27,321.93 × 13,346.28
  4. Step 4: Simplify right side
    19,798.02x = 364,646,127.92
  5. Step 5: Solve for x
    x = 364,646,127.92/19,798.02
  6. Step 6: Final answer
    x = 18,418.31

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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.