Home / 9,208.71-13,815.78-4,281.30

Finding the Fourth Proportional to 9,208.71, 13,815.78 and 4,281.30

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Solution

The fourth proportional to 9,208.71, 13,815.78 and 4,281.30 is: 6,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.71 : 13,815.78 = 4,281.30 : x
  2. Step 2: Convert to fraction form
    9,208.71/13,815.78 = 4,281.30/x
  3. Step 3: Cross multiply
    9,208.71x = 13,815.78 × 4,281.30
  4. Step 4: Simplify right side
    9,208.71x = 59,149,498.91
  5. Step 5: Solve for x
    x = 59,149,498.91/9,208.71
  6. Step 6: Final answer
    x = 6,423.21

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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.