Home / 9,966.24-14,946.88-3,040.64

Finding the Fourth Proportional to 9,966.24, 14,946.88 and 3,040.64

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Solution

The fourth proportional to 9,966.24, 14,946.88 and 3,040.64 is: 4,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.24 : 14,946.88 = 3,040.64 : x
  2. Step 2: Convert to fraction form
    9,966.24/14,946.88 = 3,040.64/x
  3. Step 3: Cross multiply
    9,966.24x = 14,946.88 × 3,040.64
  4. Step 4: Simplify right side
    9,966.24x = 45,448,081.20
  5. Step 5: Solve for x
    x = 45,448,081.20/9,966.24
  6. Step 6: Final answer
    x = 4,560.20

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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.