Home / 15,845.64-21,857.40-10,468.11

Finding the Fourth Proportional to 15,845.64, 21,857.40 and 10,468.11

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Solution

The fourth proportional to 15,845.64, 21,857.40 and 10,468.11 is: 14,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.64 : 21,857.40 = 10,468.11 : x
  2. Step 2: Convert to fraction form
    15,845.64/21,857.40 = 10,468.11/x
  3. Step 3: Cross multiply
    15,845.64x = 21,857.40 × 10,468.11
  4. Step 4: Simplify right side
    15,845.64x = 228,805,667.51
  5. Step 5: Solve for x
    x = 228,805,667.51/15,845.64
  6. Step 6: Final answer
    x = 14,439.66

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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.