Home / 12,587.91-18,846.33-6,651.35

Finding the Fourth Proportional to 12,587.91, 18,846.33 and 6,651.35

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Solution

The fourth proportional to 12,587.91, 18,846.33 and 6,651.35 is: 9,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.91 : 18,846.33 = 6,651.35 : x
  2. Step 2: Convert to fraction form
    12,587.91/18,846.33 = 6,651.35/x
  3. Step 3: Cross multiply
    12,587.91x = 18,846.33 × 6,651.35
  4. Step 4: Simplify right side
    12,587.91x = 125,353,442.81
  5. Step 5: Solve for x
    x = 125,353,442.81/12,587.91
  6. Step 6: Final answer
    x = 9,958.24

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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.