Home / 12,025.23-16,590.11-6,988.55

Finding the Fourth Proportional to 12,025.23, 16,590.11 and 6,988.55

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Solution

The fourth proportional to 12,025.23, 16,590.11 and 6,988.55 is: 9,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.23 : 16,590.11 = 6,988.55 : x
  2. Step 2: Convert to fraction form
    12,025.23/16,590.11 = 6,988.55/x
  3. Step 3: Cross multiply
    12,025.23x = 16,590.11 × 6,988.55
  4. Step 4: Simplify right side
    12,025.23x = 115,940,695.35
  5. Step 5: Solve for x
    x = 115,940,695.35/12,025.23
  6. Step 6: Final answer
    x = 9,641.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.