Home / 19,643.44-29,460.66-5,603.20

Finding the Fourth Proportional to 19,643.44, 29,460.66 and 5,603.20

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Solution

The fourth proportional to 19,643.44, 29,460.66 and 5,603.20 is: 8,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.44 : 29,460.66 = 5,603.20 : x
  2. Step 2: Convert to fraction form
    19,643.44/29,460.66 = 5,603.20/x
  3. Step 3: Cross multiply
    19,643.44x = 29,460.66 × 5,603.20
  4. Step 4: Simplify right side
    19,643.44x = 165,073,970.11
  5. Step 5: Solve for x
    x = 165,073,970.11/19,643.44
  6. Step 6: Final answer
    x = 8,403.52

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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.