Home / 15,880.61-23,820.50-4,193.93

Finding the Fourth Proportional to 15,880.61, 23,820.50 and 4,193.93

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Solution

The fourth proportional to 15,880.61, 23,820.50 and 4,193.93 is: 6,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.61 : 23,820.50 = 4,193.93 : x
  2. Step 2: Convert to fraction form
    15,880.61/23,820.50 = 4,193.93/x
  3. Step 3: Cross multiply
    15,880.61x = 23,820.50 × 4,193.93
  4. Step 4: Simplify right side
    15,880.61x = 99,901,369.49
  5. Step 5: Solve for x
    x = 99,901,369.49/15,880.61
  6. Step 6: Final answer
    x = 6,290.78

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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.