Home / 13,669.41-18,863.38-7,700.95

Finding the Fourth Proportional to 13,669.41, 18,863.38 and 7,700.95

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Solution

The fourth proportional to 13,669.41, 18,863.38 and 7,700.95 is: 10,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.41 : 18,863.38 = 7,700.95 : x
  2. Step 2: Convert to fraction form
    13,669.41/18,863.38 = 7,700.95/x
  3. Step 3: Cross multiply
    13,669.41x = 18,863.38 × 7,700.95
  4. Step 4: Simplify right side
    13,669.41x = 145,265,946.21
  5. Step 5: Solve for x
    x = 145,265,946.21/13,669.41
  6. Step 6: Final answer
    x = 10,627.08

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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.