Home / 11,295.58-15,590.08-6,518.62

Finding the Fourth Proportional to 11,295.58, 15,590.08 and 6,518.62

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Solution

The fourth proportional to 11,295.58, 15,590.08 and 6,518.62 is: 8,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.58 : 15,590.08 = 6,518.62 : x
  2. Step 2: Convert to fraction form
    11,295.58/15,590.08 = 6,518.62/x
  3. Step 3: Cross multiply
    11,295.58x = 15,590.08 × 6,518.62
  4. Step 4: Simplify right side
    11,295.58x = 101,625,807.29
  5. Step 5: Solve for x
    x = 101,625,807.29/11,295.58
  6. Step 6: Final answer
    x = 8,996.95

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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.