Home / 13,513.84-20,256.90-6,483.58

Finding the Fourth Proportional to 13,513.84, 20,256.90 and 6,483.58

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Solution

The fourth proportional to 13,513.84, 20,256.90 and 6,483.58 is: 9,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.84 : 20,256.90 = 6,483.58 : x
  2. Step 2: Convert to fraction form
    13,513.84/20,256.90 = 6,483.58/x
  3. Step 3: Cross multiply
    13,513.84x = 20,256.90 × 6,483.58
  4. Step 4: Simplify right side
    13,513.84x = 131,337,231.70
  5. Step 5: Solve for x
    x = 131,337,231.70/13,513.84
  6. Step 6: Final answer
    x = 9,718.72

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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.