Home / 12,029.05-18,038.78-4,629.39

Finding the Fourth Proportional to 12,029.05, 18,038.78 and 4,629.39

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Solution

The fourth proportional to 12,029.05, 18,038.78 and 4,629.39 is: 6,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.05 : 18,038.78 = 4,629.39 : x
  2. Step 2: Convert to fraction form
    12,029.05/18,038.78 = 4,629.39/x
  3. Step 3: Cross multiply
    12,029.05x = 18,038.78 × 4,629.39
  4. Step 4: Simplify right side
    12,029.05x = 83,508,547.74
  5. Step 5: Solve for x
    x = 83,508,547.74/12,029.05
  6. Step 6: Final answer
    x = 6,942.24

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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.