Home / 18,687.16-28,038.22-7,594.70

Finding the Fourth Proportional to 18,687.16, 28,038.22 and 7,594.70

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Solution

The fourth proportional to 18,687.16, 28,038.22 and 7,594.70 is: 11,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.16 : 28,038.22 = 7,594.70 : x
  2. Step 2: Convert to fraction form
    18,687.16/28,038.22 = 7,594.70/x
  3. Step 3: Cross multiply
    18,687.16x = 28,038.22 × 7,594.70
  4. Step 4: Simplify right side
    18,687.16x = 212,941,869.43
  5. Step 5: Solve for x
    x = 212,941,869.43/18,687.16
  6. Step 6: Final answer
    x = 11,395.09

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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.