Home / 16,590.25-22,913.99-10,991.53

Finding the Fourth Proportional to 16,590.25, 22,913.99 and 10,991.53

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Solution

The fourth proportional to 16,590.25, 22,913.99 and 10,991.53 is: 15,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.25 : 22,913.99 = 10,991.53 : x
  2. Step 2: Convert to fraction form
    16,590.25/22,913.99 = 10,991.53/x
  3. Step 3: Cross multiply
    16,590.25x = 22,913.99 × 10,991.53
  4. Step 4: Simplify right side
    16,590.25x = 251,859,808.50
  5. Step 5: Solve for x
    x = 251,859,808.50/16,590.25
  6. Step 6: Final answer
    x = 15,181.19

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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.