Home / 8,915.12-13,364.75-4,232.24

Finding the Fourth Proportional to 8,915.12, 13,364.75 and 4,232.24

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Solution

The fourth proportional to 8,915.12, 13,364.75 and 4,232.24 is: 6,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.12 : 13,364.75 = 4,232.24 : x
  2. Step 2: Convert to fraction form
    8,915.12/13,364.75 = 4,232.24/x
  3. Step 3: Cross multiply
    8,915.12x = 13,364.75 × 4,232.24
  4. Step 4: Simplify right side
    8,915.12x = 56,562,873.53
  5. Step 5: Solve for x
    x = 56,562,873.53/8,915.12
  6. Step 6: Final answer
    x = 6,344.60

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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.