Home / 13,444.02-18,552.15-7,778.48

Finding the Fourth Proportional to 13,444.02, 18,552.15 and 7,778.48

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Solution

The fourth proportional to 13,444.02, 18,552.15 and 7,778.48 is: 10,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.02 : 18,552.15 = 7,778.48 : x
  2. Step 2: Convert to fraction form
    13,444.02/18,552.15 = 7,778.48/x
  3. Step 3: Cross multiply
    13,444.02x = 18,552.15 × 7,778.48
  4. Step 4: Simplify right side
    13,444.02x = 144,307,434.97
  5. Step 5: Solve for x
    x = 144,307,434.97/13,444.02
  6. Step 6: Final answer
    x = 10,733.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.