Home / 19,012.08-28,510.83-13,150.92

Finding the Fourth Proportional to 19,012.08, 28,510.83 and 13,150.92

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Solution

The fourth proportional to 19,012.08, 28,510.83 and 13,150.92 is: 19,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.08 : 28,510.83 = 13,150.92 : x
  2. Step 2: Convert to fraction form
    19,012.08/28,510.83 = 13,150.92/x
  3. Step 3: Cross multiply
    19,012.08x = 28,510.83 × 13,150.92
  4. Step 4: Simplify right side
    19,012.08x = 374,943,644.46
  5. Step 5: Solve for x
    x = 374,943,644.46/19,012.08
  6. Step 6: Final answer
    x = 19,721.34

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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.