Home / 19,730.55-29,594.48-6,403.35

Finding the Fourth Proportional to 19,730.55, 29,594.48 and 6,403.35

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Solution

The fourth proportional to 19,730.55, 29,594.48 and 6,403.35 is: 9,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.55 : 29,594.48 = 6,403.35 : x
  2. Step 2: Convert to fraction form
    19,730.55/29,594.48 = 6,403.35/x
  3. Step 3: Cross multiply
    19,730.55x = 29,594.48 × 6,403.35
  4. Step 4: Simplify right side
    19,730.55x = 189,503,781.49
  5. Step 5: Solve for x
    x = 189,503,781.49/19,730.55
  6. Step 6: Final answer
    x = 9,604.59

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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.