Home / 13,864.02-19,154.06-13,181.25

Finding the Fourth Proportional to 13,864.02, 19,154.06 and 13,181.25

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Solution

The fourth proportional to 13,864.02, 19,154.06 and 13,181.25 is: 18,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.02 : 19,154.06 = 13,181.25 : x
  2. Step 2: Convert to fraction form
    13,864.02/19,154.06 = 13,181.25/x
  3. Step 3: Cross multiply
    13,864.02x = 19,154.06 × 13,181.25
  4. Step 4: Simplify right side
    13,864.02x = 252,474,453.38
  5. Step 5: Solve for x
    x = 252,474,453.38/13,864.02
  6. Step 6: Final answer
    x = 18,210.77

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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.