Home / 11,220.47-16,838.51-4,646.69

Finding the Fourth Proportional to 11,220.47, 16,838.51 and 4,646.69

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Solution

The fourth proportional to 11,220.47, 16,838.51 and 4,646.69 is: 6,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.47 : 16,838.51 = 4,646.69 : x
  2. Step 2: Convert to fraction form
    11,220.47/16,838.51 = 4,646.69/x
  3. Step 3: Cross multiply
    11,220.47x = 16,838.51 × 4,646.69
  4. Step 4: Simplify right side
    11,220.47x = 78,243,336.03
  5. Step 5: Solve for x
    x = 78,243,336.03/11,220.47
  6. Step 6: Final answer
    x = 6,973.27

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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.