Home / 10,513.05-15,767.31-4,271.46

Finding the Fourth Proportional to 10,513.05, 15,767.31 and 4,271.46

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Solution

The fourth proportional to 10,513.05, 15,767.31 and 4,271.46 is: 6,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.05 : 15,767.31 = 4,271.46 : x
  2. Step 2: Convert to fraction form
    10,513.05/15,767.31 = 4,271.46/x
  3. Step 3: Cross multiply
    10,513.05x = 15,767.31 × 4,271.46
  4. Step 4: Simplify right side
    10,513.05x = 67,349,433.97
  5. Step 5: Solve for x
    x = 67,349,433.97/10,513.05
  6. Step 6: Final answer
    x = 6,406.27

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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.