Home / 13,859.01-19,082.93-12,744.45

Finding the Fourth Proportional to 13,859.01, 19,082.93 and 12,744.45

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Solution

The fourth proportional to 13,859.01, 19,082.93 and 12,744.45 is: 17,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.01 : 19,082.93 = 12,744.45 : x
  2. Step 2: Convert to fraction form
    13,859.01/19,082.93 = 12,744.45/x
  3. Step 3: Cross multiply
    13,859.01x = 19,082.93 × 12,744.45
  4. Step 4: Simplify right side
    13,859.01x = 243,201,383.52
  5. Step 5: Solve for x
    x = 243,201,383.52/13,859.01
  6. Step 6: Final answer
    x = 17,548.25

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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.