Home / 19,495.44-26,895.12-12,420.24

Finding the Fourth Proportional to 19,495.44, 26,895.12 and 12,420.24

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Solution

The fourth proportional to 19,495.44, 26,895.12 and 12,420.24 is: 17,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.44 : 26,895.12 = 12,420.24 : x
  2. Step 2: Convert to fraction form
    19,495.44/26,895.12 = 12,420.24/x
  3. Step 3: Cross multiply
    19,495.44x = 26,895.12 × 12,420.24
  4. Step 4: Simplify right side
    19,495.44x = 334,043,845.23
  5. Step 5: Solve for x
    x = 334,043,845.23/19,495.44
  6. Step 6: Final answer
    x = 17,134.46

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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.