Home / 12,827.36-19,173.20-11,148.32

Finding the Fourth Proportional to 12,827.36, 19,173.20 and 11,148.32

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Solution

The fourth proportional to 12,827.36, 19,173.20 and 11,148.32 is: 16,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.36 : 19,173.20 = 11,148.32 : x
  2. Step 2: Convert to fraction form
    12,827.36/19,173.20 = 11,148.32/x
  3. Step 3: Cross multiply
    12,827.36x = 19,173.20 × 11,148.32
  4. Step 4: Simplify right side
    12,827.36x = 213,748,969.02
  5. Step 5: Solve for x
    x = 213,748,969.02/12,827.36
  6. Step 6: Final answer
    x = 16,663.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.