Home / 15,830.07-23,724.14-8,418.57

Finding the Fourth Proportional to 15,830.07, 23,724.14 and 8,418.57

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Solution

The fourth proportional to 15,830.07, 23,724.14 and 8,418.57 is: 12,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.07 : 23,724.14 = 8,418.57 : x
  2. Step 2: Convert to fraction form
    15,830.07/23,724.14 = 8,418.57/x
  3. Step 3: Cross multiply
    15,830.07x = 23,724.14 × 8,418.57
  4. Step 4: Simplify right side
    15,830.07x = 199,723,291.19
  5. Step 5: Solve for x
    x = 199,723,291.19/15,830.07
  6. Step 6: Final answer
    x = 12,616.70

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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.