Home / 12,053.36-18,065.45-6,206.78

Finding the Fourth Proportional to 12,053.36, 18,065.45 and 6,206.78

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Solution

The fourth proportional to 12,053.36, 18,065.45 and 6,206.78 is: 9,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.36 : 18,065.45 = 6,206.78 : x
  2. Step 2: Convert to fraction form
    12,053.36/18,065.45 = 6,206.78/x
  3. Step 3: Cross multiply
    12,053.36x = 18,065.45 × 6,206.78
  4. Step 4: Simplify right side
    12,053.36x = 112,128,152.39
  5. Step 5: Solve for x
    x = 112,128,152.39/12,053.36
  6. Step 6: Final answer
    x = 9,302.65

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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.