Home / 15,513.30-23,283.40-8,122.94

Finding the Fourth Proportional to 15,513.30, 23,283.40 and 8,122.94

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Solution

The fourth proportional to 15,513.30, 23,283.40 and 8,122.94 is: 12,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.30 : 23,283.40 = 8,122.94 : x
  2. Step 2: Convert to fraction form
    15,513.30/23,283.40 = 8,122.94/x
  3. Step 3: Cross multiply
    15,513.30x = 23,283.40 × 8,122.94
  4. Step 4: Simplify right side
    15,513.30x = 189,129,661.20
  5. Step 5: Solve for x
    x = 189,129,661.20/15,513.30
  6. Step 6: Final answer
    x = 12,191.45

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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.