Home / 19,410.95-29,116.56-8,308.28

Finding the Fourth Proportional to 19,410.95, 29,116.56 and 8,308.28

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Solution

The fourth proportional to 19,410.95, 29,116.56 and 8,308.28 is: 12,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.95 : 29,116.56 = 8,308.28 : x
  2. Step 2: Convert to fraction form
    19,410.95/29,116.56 = 8,308.28/x
  3. Step 3: Cross multiply
    19,410.95x = 29,116.56 × 8,308.28
  4. Step 4: Simplify right side
    19,410.95x = 241,908,533.12
  5. Step 5: Solve for x
    x = 241,908,533.12/19,410.95
  6. Step 6: Final answer
    x = 12,462.48

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Similar ratio
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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.