Home / 13,265.28-19,899.78-4,497.84

Finding the Fourth Proportional to 13,265.28, 19,899.78 and 4,497.84

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Solution

The fourth proportional to 13,265.28, 19,899.78 and 4,497.84 is: 6,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.28 : 19,899.78 = 4,497.84 : x
  2. Step 2: Convert to fraction form
    13,265.28/19,899.78 = 4,497.84/x
  3. Step 3: Cross multiply
    13,265.28x = 19,899.78 × 4,497.84
  4. Step 4: Simplify right side
    13,265.28x = 89,506,026.48
  5. Step 5: Solve for x
    x = 89,506,026.48/13,265.28
  6. Step 6: Final answer
    x = 6,747.39

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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.