Home / 13,386.02-20,072.21-4,498.29

Finding the Fourth Proportional to 13,386.02, 20,072.21 and 4,498.29

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Solution

The fourth proportional to 13,386.02, 20,072.21 and 4,498.29 is: 6,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.02 : 20,072.21 = 4,498.29 : x
  2. Step 2: Convert to fraction form
    13,386.02/20,072.21 = 4,498.29/x
  3. Step 3: Cross multiply
    13,386.02x = 20,072.21 × 4,498.29
  4. Step 4: Simplify right side
    13,386.02x = 90,290,599.03
  5. Step 5: Solve for x
    x = 90,290,599.03/13,386.02
  6. Step 6: Final answer
    x = 6,745.14

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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.