Home / 13,312.52-19,968.86-5,915.24

Finding the Fourth Proportional to 13,312.52, 19,968.86 and 5,915.24

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Solution

The fourth proportional to 13,312.52, 19,968.86 and 5,915.24 is: 8,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.52 : 19,968.86 = 5,915.24 : x
  2. Step 2: Convert to fraction form
    13,312.52/19,968.86 = 5,915.24/x
  3. Step 3: Cross multiply
    13,312.52x = 19,968.86 × 5,915.24
  4. Step 4: Simplify right side
    13,312.52x = 118,120,599.43
  5. Step 5: Solve for x
    x = 118,120,599.43/13,312.52
  6. Step 6: Final answer
    x = 8,872.90

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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.