Home / 13,297.40-19,948.80-4,533.20

Finding the Fourth Proportional to 13,297.40, 19,948.80 and 4,533.20

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Solution

The fourth proportional to 13,297.40, 19,948.80 and 4,533.20 is: 6,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.40 : 19,948.80 = 4,533.20 : x
  2. Step 2: Convert to fraction form
    13,297.40/19,948.80 = 4,533.20/x
  3. Step 3: Cross multiply
    13,297.40x = 19,948.80 × 4,533.20
  4. Step 4: Simplify right side
    13,297.40x = 90,431,900.16
  5. Step 5: Solve for x
    x = 90,431,900.16/13,297.40
  6. Step 6: Final answer
    x = 6,800.72

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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.