Home / 19,323.72-28,948.80-11,009.46

Finding the Fourth Proportional to 19,323.72, 28,948.80 and 11,009.46

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Solution

The fourth proportional to 19,323.72, 28,948.80 and 11,009.46 is: 16,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.72 : 28,948.80 = 11,009.46 : x
  2. Step 2: Convert to fraction form
    19,323.72/28,948.80 = 11,009.46/x
  3. Step 3: Cross multiply
    19,323.72x = 28,948.80 × 11,009.46
  4. Step 4: Simplify right side
    19,323.72x = 318,710,655.65
  5. Step 5: Solve for x
    x = 318,710,655.65/19,323.72
  6. Step 6: Final answer
    x = 16,493.24

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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.