Home / 12,307.77-18,464.41-3,542.00

Finding the Fourth Proportional to 12,307.77, 18,464.41 and 3,542.00

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Solution

The fourth proportional to 12,307.77, 18,464.41 and 3,542.00 is: 5,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.77 : 18,464.41 = 3,542.00 : x
  2. Step 2: Convert to fraction form
    12,307.77/18,464.41 = 3,542.00/x
  3. Step 3: Cross multiply
    12,307.77x = 18,464.41 × 3,542.00
  4. Step 4: Simplify right side
    12,307.77x = 65,400,988.20
  5. Step 5: Solve for x
    x = 65,400,988.20/12,307.77
  6. Step 6: Final answer
    x = 5,313.80

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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.