Home / 19,006.06-28,510.26-7,319.29

Finding the Fourth Proportional to 19,006.06, 28,510.26 and 7,319.29

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Solution

The fourth proportional to 19,006.06, 28,510.26 and 7,319.29 is: 10,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.06 : 28,510.26 = 7,319.29 : x
  2. Step 2: Convert to fraction form
    19,006.06/28,510.26 = 7,319.29/x
  3. Step 3: Cross multiply
    19,006.06x = 28,510.26 × 7,319.29
  4. Step 4: Simplify right side
    19,006.06x = 208,674,681.77
  5. Step 5: Solve for x
    x = 208,674,681.77/19,006.06
  6. Step 6: Final answer
    x = 10,979.38

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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.