Home / 19,602.08-29,396.80-6,451.40

Finding the Fourth Proportional to 19,602.08, 29,396.80 and 6,451.40

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Solution

The fourth proportional to 19,602.08, 29,396.80 and 6,451.40 is: 9,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.08 : 29,396.80 = 6,451.40 : x
  2. Step 2: Convert to fraction form
    19,602.08/29,396.80 = 6,451.40/x
  3. Step 3: Cross multiply
    19,602.08x = 29,396.80 × 6,451.40
  4. Step 4: Simplify right side
    19,602.08x = 189,650,515.52
  5. Step 5: Solve for x
    x = 189,650,515.52/19,602.08
  6. Step 6: Final answer
    x = 9,675.02

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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.