Home / 13,256.36-19,872.18-4,485.17

Finding the Fourth Proportional to 13,256.36, 19,872.18 and 4,485.17

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Solution

The fourth proportional to 13,256.36, 19,872.18 and 4,485.17 is: 6,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.36 : 19,872.18 = 4,485.17 : x
  2. Step 2: Convert to fraction form
    13,256.36/19,872.18 = 4,485.17/x
  3. Step 3: Cross multiply
    13,256.36x = 19,872.18 × 4,485.17
  4. Step 4: Simplify right side
    13,256.36x = 89,130,105.57
  5. Step 5: Solve for x
    x = 89,130,105.57/13,256.36
  6. Step 6: Final answer
    x = 6,723.57

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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.