Home / 12,208.02-18,319.53-5,634.69

Finding the Fourth Proportional to 12,208.02, 18,319.53 and 5,634.69

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Solution

The fourth proportional to 12,208.02, 18,319.53 and 5,634.69 is: 8,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.02 : 18,319.53 = 5,634.69 : x
  2. Step 2: Convert to fraction form
    12,208.02/18,319.53 = 5,634.69/x
  3. Step 3: Cross multiply
    12,208.02x = 18,319.53 × 5,634.69
  4. Step 4: Simplify right side
    12,208.02x = 103,224,872.50
  5. Step 5: Solve for x
    x = 103,224,872.50/12,208.02
  6. Step 6: Final answer
    x = 8,455.50

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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.