Home / 12,587.76-18,884.40-6,004.89

Finding the Fourth Proportional to 12,587.76, 18,884.40 and 6,004.89

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Solution

The fourth proportional to 12,587.76, 18,884.40 and 6,004.89 is: 9,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.76 : 18,884.40 = 6,004.89 : x
  2. Step 2: Convert to fraction form
    12,587.76/18,884.40 = 6,004.89/x
  3. Step 3: Cross multiply
    12,587.76x = 18,884.40 × 6,004.89
  4. Step 4: Simplify right side
    12,587.76x = 113,398,744.72
  5. Step 5: Solve for x
    x = 113,398,744.72/12,587.76
  6. Step 6: Final answer
    x = 9,008.65

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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.