Home / 10,686.34-16,029.56-2,895.16

Finding the Fourth Proportional to 10,686.34, 16,029.56 and 2,895.16

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Solution

The fourth proportional to 10,686.34, 16,029.56 and 2,895.16 is: 4,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.34 : 16,029.56 = 2,895.16 : x
  2. Step 2: Convert to fraction form
    10,686.34/16,029.56 = 2,895.16/x
  3. Step 3: Cross multiply
    10,686.34x = 16,029.56 × 2,895.16
  4. Step 4: Simplify right side
    10,686.34x = 46,408,140.93
  5. Step 5: Solve for x
    x = 46,408,140.93/10,686.34
  6. Step 6: Final answer
    x = 4,342.75

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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.