Home / 9,124.90-13,686.16-2,885.54

Finding the Fourth Proportional to 9,124.90, 13,686.16 and 2,885.54

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Solution

The fourth proportional to 9,124.90, 13,686.16 and 2,885.54 is: 4,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.90 : 13,686.16 = 2,885.54 : x
  2. Step 2: Convert to fraction form
    9,124.90/13,686.16 = 2,885.54/x
  3. Step 3: Cross multiply
    9,124.90x = 13,686.16 × 2,885.54
  4. Step 4: Simplify right side
    9,124.90x = 39,491,962.13
  5. Step 5: Solve for x
    x = 39,491,962.13/9,124.90
  6. Step 6: Final answer
    x = 4,327.93

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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.