Home / 12,595.21-18,901.31-5,199.50

Finding the Fourth Proportional to 12,595.21, 18,901.31 and 5,199.50

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Solution

The fourth proportional to 12,595.21, 18,901.31 and 5,199.50 is: 7,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.21 : 18,901.31 = 5,199.50 : x
  2. Step 2: Convert to fraction form
    12,595.21/18,901.31 = 5,199.50/x
  3. Step 3: Cross multiply
    12,595.21x = 18,901.31 × 5,199.50
  4. Step 4: Simplify right side
    12,595.21x = 98,277,382.60
  5. Step 5: Solve for x
    x = 98,277,382.60/12,595.21
  6. Step 6: Final answer
    x = 7,802.76

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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.