Home / 9,124.90-13,686.17-2,885.55

Finding the Fourth Proportional to 9,124.90, 13,686.17 and 2,885.55

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Solution

The fourth proportional to 9,124.90, 13,686.17 and 2,885.55 is: 4,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.90 : 13,686.17 = 2,885.55 : x
  2. Step 2: Convert to fraction form
    9,124.90/13,686.17 = 2,885.55/x
  3. Step 3: Cross multiply
    9,124.90x = 13,686.17 × 2,885.55
  4. Step 4: Simplify right side
    9,124.90x = 39,492,059.41
  5. Step 5: Solve for x
    x = 39,492,059.41/9,124.90
  6. Step 6: Final answer
    x = 4,327.94

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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.