Home / 13,877.37-19,145.34-8,840.66

Finding the Fourth Proportional to 13,877.37, 19,145.34 and 8,840.66

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Solution

The fourth proportional to 13,877.37, 19,145.34 and 8,840.66 is: 12,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.37 : 19,145.34 = 8,840.66 : x
  2. Step 2: Convert to fraction form
    13,877.37/19,145.34 = 8,840.66/x
  3. Step 3: Cross multiply
    13,877.37x = 19,145.34 × 8,840.66
  4. Step 4: Simplify right side
    13,877.37x = 169,257,345.80
  5. Step 5: Solve for x
    x = 169,257,345.80/13,877.37
  6. Step 6: Final answer
    x = 12,196.64

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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.