Home / 23,143.64-34,715.61-8,342.19

Finding the Fourth Proportional to 23,143.64, 34,715.61 and 8,342.19

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Solution

The fourth proportional to 23,143.64, 34,715.61 and 8,342.19 is: 12,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.64 : 34,715.61 = 8,342.19 : x
  2. Step 2: Convert to fraction form
    23,143.64/34,715.61 = 8,342.19/x
  3. Step 3: Cross multiply
    23,143.64x = 34,715.61 × 8,342.19
  4. Step 4: Simplify right side
    23,143.64x = 289,604,214.59
  5. Step 5: Solve for x
    x = 289,604,214.59/23,143.64
  6. Step 6: Final answer
    x = 12,513.34

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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.