Home / 19,301.06-28,947.23-9,803.76

Finding the Fourth Proportional to 19,301.06, 28,947.23 and 9,803.76

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Solution

The fourth proportional to 19,301.06, 28,947.23 and 9,803.76 is: 14,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.06 : 28,947.23 = 9,803.76 : x
  2. Step 2: Convert to fraction form
    19,301.06/28,947.23 = 9,803.76/x
  3. Step 3: Cross multiply
    19,301.06x = 28,947.23 × 9,803.76
  4. Step 4: Simplify right side
    19,301.06x = 283,791,501.83
  5. Step 5: Solve for x
    x = 283,791,501.83/19,301.06
  6. Step 6: Final answer
    x = 14,703.42

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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.