Home / 13,698.28-20,547.36-3,310

Finding the Fourth Proportional to 13,698.28, 20,547.36 and 3,310

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Solution

The fourth proportional to 13,698.28, 20,547.36 and 3,310 is: 4,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.28 : 20,547.36 = 3,310 : x
  2. Step 2: Convert to fraction form
    13,698.28/20,547.36 = 3,310/x
  3. Step 3: Cross multiply
    13,698.28x = 20,547.36 × 3,310
  4. Step 4: Simplify right side
    13,698.28x = 68,011,761.60
  5. Step 5: Solve for x
    x = 68,011,761.60/13,698.28
  6. Step 6: Final answer
    x = 4,964.99

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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.