Home / 11,369.58-15,690.05-6,590.45

Finding the Fourth Proportional to 11,369.58, 15,690.05 and 6,590.45

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Solution

The fourth proportional to 11,369.58, 15,690.05 and 6,590.45 is: 9,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.58 : 15,690.05 = 6,590.45 : x
  2. Step 2: Convert to fraction form
    11,369.58/15,690.05 = 6,590.45/x
  3. Step 3: Cross multiply
    11,369.58x = 15,690.05 × 6,590.45
  4. Step 4: Simplify right side
    11,369.58x = 103,404,378.62
  5. Step 5: Solve for x
    x = 103,404,378.62/11,369.58
  6. Step 6: Final answer
    x = 9,094.83

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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.