Home / 13,376.40-20,052.02-4,605.18

Finding the Fourth Proportional to 13,376.40, 20,052.02 and 4,605.18

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Solution

The fourth proportional to 13,376.40, 20,052.02 and 4,605.18 is: 6,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.40 : 20,052.02 = 4,605.18 : x
  2. Step 2: Convert to fraction form
    13,376.40/20,052.02 = 4,605.18/x
  3. Step 3: Cross multiply
    13,376.40x = 20,052.02 × 4,605.18
  4. Step 4: Simplify right side
    13,376.40x = 92,343,161.46
  5. Step 5: Solve for x
    x = 92,343,161.46/13,376.40
  6. Step 6: Final answer
    x = 6,903.44

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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.