Home / 13,963.46-20,948.63-6,946.80

Finding the Fourth Proportional to 13,963.46, 20,948.63 and 6,946.80

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Solution

The fourth proportional to 13,963.46, 20,948.63 and 6,946.80 is: 10,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.46 : 20,948.63 = 6,946.80 : x
  2. Step 2: Convert to fraction form
    13,963.46/20,948.63 = 6,946.80/x
  3. Step 3: Cross multiply
    13,963.46x = 20,948.63 × 6,946.80
  4. Step 4: Simplify right side
    13,963.46x = 145,525,908.15
  5. Step 5: Solve for x
    x = 145,525,908.15/13,963.46
  6. Step 6: Final answer
    x = 10,421.91

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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.