Home / 9,519.36-14,280.80-4,325.60

Finding the Fourth Proportional to 9,519.36, 14,280.80 and 4,325.60

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Solution

The fourth proportional to 9,519.36, 14,280.80 and 4,325.60 is: 6,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.36 : 14,280.80 = 4,325.60 : x
  2. Step 2: Convert to fraction form
    9,519.36/14,280.80 = 4,325.60/x
  3. Step 3: Cross multiply
    9,519.36x = 14,280.80 × 4,325.60
  4. Step 4: Simplify right side
    9,519.36x = 61,773,028.48
  5. Step 5: Solve for x
    x = 61,773,028.48/9,519.36
  6. Step 6: Final answer
    x = 6,489.20

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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.