Home / 19,828.38-29,733.16-11,510.98

Finding the Fourth Proportional to 19,828.38, 29,733.16 and 11,510.98

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Solution

The fourth proportional to 19,828.38, 29,733.16 and 11,510.98 is: 17,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.38 : 29,733.16 = 11,510.98 : x
  2. Step 2: Convert to fraction form
    19,828.38/29,733.16 = 11,510.98/x
  3. Step 3: Cross multiply
    19,828.38x = 29,733.16 × 11,510.98
  4. Step 4: Simplify right side
    19,828.38x = 342,257,810.10
  5. Step 5: Solve for x
    x = 342,257,810.10/19,828.38
  6. Step 6: Final answer
    x = 17,261.01

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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.