Home / 12,153.41-18,230.09-4,752.68

Finding the Fourth Proportional to 12,153.41, 18,230.09 and 4,752.68

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Solution

The fourth proportional to 12,153.41, 18,230.09 and 4,752.68 is: 7,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.41 : 18,230.09 = 4,752.68 : x
  2. Step 2: Convert to fraction form
    12,153.41/18,230.09 = 4,752.68/x
  3. Step 3: Cross multiply
    12,153.41x = 18,230.09 × 4,752.68
  4. Step 4: Simplify right side
    12,153.41x = 86,641,682.59
  5. Step 5: Solve for x
    x = 86,641,682.59/12,153.41
  6. Step 6: Final answer
    x = 7,129.00

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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.