Home / 13,259.41-18,295.23-7,883.76

Finding the Fourth Proportional to 13,259.41, 18,295.23 and 7,883.76

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Solution

The fourth proportional to 13,259.41, 18,295.23 and 7,883.76 is: 10,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.41 : 18,295.23 = 7,883.76 : x
  2. Step 2: Convert to fraction form
    13,259.41/18,295.23 = 7,883.76/x
  3. Step 3: Cross multiply
    13,259.41x = 18,295.23 × 7,883.76
  4. Step 4: Simplify right side
    13,259.41x = 144,235,202.46
  5. Step 5: Solve for x
    x = 144,235,202.46/13,259.41
  6. Step 6: Final answer
    x = 10,877.95

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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.