Home / 13,856.64-19,107.56-12,733.08

Finding the Fourth Proportional to 13,856.64, 19,107.56 and 12,733.08

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Solution

The fourth proportional to 13,856.64, 19,107.56 and 12,733.08 is: 17,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.64 : 19,107.56 = 12,733.08 : x
  2. Step 2: Convert to fraction form
    13,856.64/19,107.56 = 12,733.08/x
  3. Step 3: Cross multiply
    13,856.64x = 19,107.56 × 12,733.08
  4. Step 4: Simplify right side
    13,856.64x = 243,298,090.08
  5. Step 5: Solve for x
    x = 243,298,090.08/13,856.64
  6. Step 6: Final answer
    x = 17,558.23

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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.