Home / 12,504.57-18,762.02-5,480.95

Finding the Fourth Proportional to 12,504.57, 18,762.02 and 5,480.95

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Solution

The fourth proportional to 12,504.57, 18,762.02 and 5,480.95 is: 8,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.57 : 18,762.02 = 5,480.95 : x
  2. Step 2: Convert to fraction form
    12,504.57/18,762.02 = 5,480.95/x
  3. Step 3: Cross multiply
    12,504.57x = 18,762.02 × 5,480.95
  4. Step 4: Simplify right side
    12,504.57x = 102,833,693.52
  5. Step 5: Solve for x
    x = 102,833,693.52/12,504.57
  6. Step 6: Final answer
    x = 8,223.69

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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.