Home / 19,362.74-28,997.32-11,017.47

Finding the Fourth Proportional to 19,362.74, 28,997.32 and 11,017.47

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Solution

The fourth proportional to 19,362.74, 28,997.32 and 11,017.47 is: 16,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.74 : 28,997.32 = 11,017.47 : x
  2. Step 2: Convert to fraction form
    19,362.74/28,997.32 = 11,017.47/x
  3. Step 3: Cross multiply
    19,362.74x = 28,997.32 × 11,017.47
  4. Step 4: Simplify right side
    19,362.74x = 319,477,103.18
  5. Step 5: Solve for x
    x = 319,477,103.18/19,362.74
  6. Step 6: Final answer
    x = 16,499.58

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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.