Home / 12,609.15-18,904.96-5,585.34

Finding the Fourth Proportional to 12,609.15, 18,904.96 and 5,585.34

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Solution

The fourth proportional to 12,609.15, 18,904.96 and 5,585.34 is: 8,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.15 : 18,904.96 = 5,585.34 : x
  2. Step 2: Convert to fraction form
    12,609.15/18,904.96 = 5,585.34/x
  3. Step 3: Cross multiply
    12,609.15x = 18,904.96 × 5,585.34
  4. Step 4: Simplify right side
    12,609.15x = 105,590,629.29
  5. Step 5: Solve for x
    x = 105,590,629.29/12,609.15
  6. Step 6: Final answer
    x = 8,374.13

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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.