Home / 10,506.43-15,760.05-3,931.93

Finding the Fourth Proportional to 10,506.43, 15,760.05 and 3,931.93

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Solution

The fourth proportional to 10,506.43, 15,760.05 and 3,931.93 is: 5,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.43 : 15,760.05 = 3,931.93 : x
  2. Step 2: Convert to fraction form
    10,506.43/15,760.05 = 3,931.93/x
  3. Step 3: Cross multiply
    10,506.43x = 15,760.05 × 3,931.93
  4. Step 4: Simplify right side
    10,506.43x = 61,967,413.40
  5. Step 5: Solve for x
    x = 61,967,413.40/10,506.43
  6. Step 6: Final answer
    x = 5,898.05

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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.