Home / 19,283.55-28,924.11-6,145.35

Finding the Fourth Proportional to 19,283.55, 28,924.11 and 6,145.35

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Solution

The fourth proportional to 19,283.55, 28,924.11 and 6,145.35 is: 9,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.55 : 28,924.11 = 6,145.35 : x
  2. Step 2: Convert to fraction form
    19,283.55/28,924.11 = 6,145.35/x
  3. Step 3: Cross multiply
    19,283.55x = 28,924.11 × 6,145.35
  4. Step 4: Simplify right side
    19,283.55x = 177,748,779.39
  5. Step 5: Solve for x
    x = 177,748,779.39/19,283.55
  6. Step 6: Final answer
    x = 9,217.64

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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.