Home / 9,639.64-14,459.46-3,404.28

Finding the Fourth Proportional to 9,639.64, 14,459.46 and 3,404.28

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Solution

The fourth proportional to 9,639.64, 14,459.46 and 3,404.28 is: 5,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.64 : 14,459.46 = 3,404.28 : x
  2. Step 2: Convert to fraction form
    9,639.64/14,459.46 = 3,404.28/x
  3. Step 3: Cross multiply
    9,639.64x = 14,459.46 × 3,404.28
  4. Step 4: Simplify right side
    9,639.64x = 49,224,050.49
  5. Step 5: Solve for x
    x = 49,224,050.49/9,639.64
  6. Step 6: Final answer
    x = 5,106.42

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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.