Home / 19,381.89-29,034.77-11,036.46

Finding the Fourth Proportional to 19,381.89, 29,034.77 and 11,036.46

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Solution

The fourth proportional to 19,381.89, 29,034.77 and 11,036.46 is: 16,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.89 : 29,034.77 = 11,036.46 : x
  2. Step 2: Convert to fraction form
    19,381.89/29,034.77 = 11,036.46/x
  3. Step 3: Cross multiply
    19,381.89x = 29,034.77 × 11,036.46
  4. Step 4: Simplify right side
    19,381.89x = 320,441,022.53
  5. Step 5: Solve for x
    x = 320,441,022.53/19,381.89
  6. Step 6: Final answer
    x = 16,533.01

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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.