Home / 13,378.40-20,055.02-4,607.18

Finding the Fourth Proportional to 13,378.40, 20,055.02 and 4,607.18

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Solution

The fourth proportional to 13,378.40, 20,055.02 and 4,607.18 is: 6,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.40 : 20,055.02 = 4,607.18 : x
  2. Step 2: Convert to fraction form
    13,378.40/20,055.02 = 4,607.18/x
  3. Step 3: Cross multiply
    13,378.40x = 20,055.02 × 4,607.18
  4. Step 4: Simplify right side
    13,378.40x = 92,397,087.04
  5. Step 5: Solve for x
    x = 92,397,087.04/13,378.40
  6. Step 6: Final answer
    x = 6,906.44

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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.