Home / 13,018.77-19,529.37-4,254.57

Finding the Fourth Proportional to 13,018.77, 19,529.37 and 4,254.57

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Solution

The fourth proportional to 13,018.77, 19,529.37 and 4,254.57 is: 6,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.77 : 19,529.37 = 4,254.57 : x
  2. Step 2: Convert to fraction form
    13,018.77/19,529.37 = 4,254.57/x
  3. Step 3: Cross multiply
    13,018.77x = 19,529.37 × 4,254.57
  4. Step 4: Simplify right side
    13,018.77x = 83,089,071.72
  5. Step 5: Solve for x
    x = 83,089,071.72/13,018.77
  6. Step 6: Final answer
    x = 6,382.25

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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.