Home / 13,077.36-18,040.80-8,041.17

Finding the Fourth Proportional to 13,077.36, 18,040.80 and 8,041.17

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Solution

The fourth proportional to 13,077.36, 18,040.80 and 8,041.17 is: 11,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.36 : 18,040.80 = 8,041.17 : x
  2. Step 2: Convert to fraction form
    13,077.36/18,040.80 = 8,041.17/x
  3. Step 3: Cross multiply
    13,077.36x = 18,040.80 × 8,041.17
  4. Step 4: Simplify right side
    13,077.36x = 145,069,139.74
  5. Step 5: Solve for x
    x = 145,069,139.74/13,077.36
  6. Step 6: Final answer
    x = 11,093.15

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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.