Home / 19,695.22-29,509.40-11,887.62

Finding the Fourth Proportional to 19,695.22, 29,509.40 and 11,887.62

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Solution

The fourth proportional to 19,695.22, 29,509.40 and 11,887.62 is: 17,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.22 : 29,509.40 = 11,887.62 : x
  2. Step 2: Convert to fraction form
    19,695.22/29,509.40 = 11,887.62/x
  3. Step 3: Cross multiply
    19,695.22x = 29,509.40 × 11,887.62
  4. Step 4: Simplify right side
    19,695.22x = 350,796,533.63
  5. Step 5: Solve for x
    x = 350,796,533.63/19,695.22
  6. Step 6: Final answer
    x = 17,811.25

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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.