Home / 19,198.42-28,800.05-7,510.12

Finding the Fourth Proportional to 19,198.42, 28,800.05 and 7,510.12

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Solution

The fourth proportional to 19,198.42, 28,800.05 and 7,510.12 is: 11,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.42 : 28,800.05 = 7,510.12 : x
  2. Step 2: Convert to fraction form
    19,198.42/28,800.05 = 7,510.12/x
  3. Step 3: Cross multiply
    19,198.42x = 28,800.05 × 7,510.12
  4. Step 4: Simplify right side
    19,198.42x = 216,291,831.51
  5. Step 5: Solve for x
    x = 216,291,831.51/19,198.42
  6. Step 6: Final answer
    x = 11,266.13

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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.