Home / 9,885.12-14,825.52-3,312.24

Finding the Fourth Proportional to 9,885.12, 14,825.52 and 3,312.24

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Solution

The fourth proportional to 9,885.12, 14,825.52 and 3,312.24 is: 4,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.12 : 14,825.52 = 3,312.24 : x
  2. Step 2: Convert to fraction form
    9,885.12/14,825.52 = 3,312.24/x
  3. Step 3: Cross multiply
    9,885.12x = 14,825.52 × 3,312.24
  4. Step 4: Simplify right side
    9,885.12x = 49,105,680.36
  5. Step 5: Solve for x
    x = 49,105,680.36/9,885.12
  6. Step 6: Final answer
    x = 4,967.64

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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.