Home / 12,030.59-18,041.39-4,130.86

Finding the Fourth Proportional to 12,030.59, 18,041.39 and 4,130.86

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Solution

The fourth proportional to 12,030.59, 18,041.39 and 4,130.86 is: 6,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.59 : 18,041.39 = 4,130.86 : x
  2. Step 2: Convert to fraction form
    12,030.59/18,041.39 = 4,130.86/x
  3. Step 3: Cross multiply
    12,030.59x = 18,041.39 × 4,130.86
  4. Step 4: Simplify right side
    12,030.59x = 74,526,435.64
  5. Step 5: Solve for x
    x = 74,526,435.64/12,030.59
  6. Step 6: Final answer
    x = 6,194.75

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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.