Home / 13,954.06-19,242.12-9,709.93

Finding the Fourth Proportional to 13,954.06, 19,242.12 and 9,709.93

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Solution

The fourth proportional to 13,954.06, 19,242.12 and 9,709.93 is: 13,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.06 : 19,242.12 = 9,709.93 : x
  2. Step 2: Convert to fraction form
    13,954.06/19,242.12 = 9,709.93/x
  3. Step 3: Cross multiply
    13,954.06x = 19,242.12 × 9,709.93
  4. Step 4: Simplify right side
    13,954.06x = 186,839,638.25
  5. Step 5: Solve for x
    x = 186,839,638.25/13,954.06
  6. Step 6: Final answer
    x = 13,389.63

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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.