Home / 13,587.36-20,374.86-4,224.61

Finding the Fourth Proportional to 13,587.36, 20,374.86 and 4,224.61

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Solution

The fourth proportional to 13,587.36, 20,374.86 and 4,224.61 is: 6,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.36 : 20,374.86 = 4,224.61 : x
  2. Step 2: Convert to fraction form
    13,587.36/20,374.86 = 4,224.61/x
  3. Step 3: Cross multiply
    13,587.36x = 20,374.86 × 4,224.61
  4. Step 4: Simplify right side
    13,587.36x = 86,075,837.30
  5. Step 5: Solve for x
    x = 86,075,837.30/13,587.36
  6. Step 6: Final answer
    x = 6,334.99

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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.