Home / 19,619.36-29,430.48-7,932.32

Finding the Fourth Proportional to 19,619.36, 29,430.48 and 7,932.32

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Solution

The fourth proportional to 19,619.36, 29,430.48 and 7,932.32 is: 11,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.36 : 29,430.48 = 7,932.32 : x
  2. Step 2: Convert to fraction form
    19,619.36/29,430.48 = 7,932.32/x
  3. Step 3: Cross multiply
    19,619.36x = 29,430.48 × 7,932.32
  4. Step 4: Simplify right side
    19,619.36x = 233,451,985.11
  5. Step 5: Solve for x
    x = 233,451,985.11/19,619.36
  6. Step 6: Final answer
    x = 11,899.06

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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.