Home / 19,022.66-28,510.63-10,685.15

Finding the Fourth Proportional to 19,022.66, 28,510.63 and 10,685.15

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Solution

The fourth proportional to 19,022.66, 28,510.63 and 10,685.15 is: 16,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.66 : 28,510.63 = 10,685.15 : x
  2. Step 2: Convert to fraction form
    19,022.66/28,510.63 = 10,685.15/x
  3. Step 3: Cross multiply
    19,022.66x = 28,510.63 × 10,685.15
  4. Step 4: Simplify right side
    19,022.66x = 304,640,358.14
  5. Step 5: Solve for x
    x = 304,640,358.14/19,022.66
  6. Step 6: Final answer
    x = 16,014.60

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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.