Home / 13,118.88-19,672.53-3,756.77

Finding the Fourth Proportional to 13,118.88, 19,672.53 and 3,756.77

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Solution

The fourth proportional to 13,118.88, 19,672.53 and 3,756.77 is: 5,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.88 : 19,672.53 = 3,756.77 : x
  2. Step 2: Convert to fraction form
    13,118.88/19,672.53 = 3,756.77/x
  3. Step 3: Cross multiply
    13,118.88x = 19,672.53 × 3,756.77
  4. Step 4: Simplify right side
    13,118.88x = 73,905,219.71
  5. Step 5: Solve for x
    x = 73,905,219.71/13,118.88
  6. Step 6: Final answer
    x = 5,633.50

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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.