Home / 13,946.01-20,929.19-6,555.63

Finding the Fourth Proportional to 13,946.01, 20,929.19 and 6,555.63

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Solution

The fourth proportional to 13,946.01, 20,929.19 and 6,555.63 is: 9,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.01 : 20,929.19 = 6,555.63 : x
  2. Step 2: Convert to fraction form
    13,946.01/20,929.19 = 6,555.63/x
  3. Step 3: Cross multiply
    13,946.01x = 20,929.19 × 6,555.63
  4. Step 4: Simplify right side
    13,946.01x = 137,204,071.55
  5. Step 5: Solve for x
    x = 137,204,071.55/13,946.01
  6. Step 6: Final answer
    x = 9,838.23

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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.