Home / 19,746.56-27,229.44-12,281.60

Finding the Fourth Proportional to 19,746.56, 27,229.44 and 12,281.60

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Solution

The fourth proportional to 19,746.56, 27,229.44 and 12,281.60 is: 16,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.56 : 27,229.44 = 12,281.60 : x
  2. Step 2: Convert to fraction form
    19,746.56/27,229.44 = 12,281.60/x
  3. Step 3: Cross multiply
    19,746.56x = 27,229.44 × 12,281.60
  4. Step 4: Simplify right side
    19,746.56x = 334,421,090.30
  5. Step 5: Solve for x
    x = 334,421,090.30/19,746.56
  6. Step 6: Final answer
    x = 16,935.66

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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.