Home / 13,410.02-20,117.28-4,977.02

Finding the Fourth Proportional to 13,410.02, 20,117.28 and 4,977.02

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Solution

The fourth proportional to 13,410.02, 20,117.28 and 4,977.02 is: 7,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.02 : 20,117.28 = 4,977.02 : x
  2. Step 2: Convert to fraction form
    13,410.02/20,117.28 = 4,977.02/x
  3. Step 3: Cross multiply
    13,410.02x = 20,117.28 × 4,977.02
  4. Step 4: Simplify right side
    13,410.02x = 100,124,104.91
  5. Step 5: Solve for x
    x = 100,124,104.91/13,410.02
  6. Step 6: Final answer
    x = 7,466.37

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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.