Home / 12,030.58-18,039.39-4,628.26

Finding the Fourth Proportional to 12,030.58, 18,039.39 and 4,628.26

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Solution

The fourth proportional to 12,030.58, 18,039.39 and 4,628.26 is: 6,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.58 : 18,039.39 = 4,628.26 : x
  2. Step 2: Convert to fraction form
    12,030.58/18,039.39 = 4,628.26/x
  3. Step 3: Cross multiply
    12,030.58x = 18,039.39 × 4,628.26
  4. Step 4: Simplify right side
    12,030.58x = 83,490,987.16
  5. Step 5: Solve for x
    x = 83,490,987.16/12,030.58
  6. Step 6: Final answer
    x = 6,939.90

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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.