Home / 13,839.51-19,098.72-7,551.84

Finding the Fourth Proportional to 13,839.51, 19,098.72 and 7,551.84

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Solution

The fourth proportional to 13,839.51, 19,098.72 and 7,551.84 is: 10,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.51 : 19,098.72 = 7,551.84 : x
  2. Step 2: Convert to fraction form
    13,839.51/19,098.72 = 7,551.84/x
  3. Step 3: Cross multiply
    13,839.51x = 19,098.72 × 7,551.84
  4. Step 4: Simplify right side
    13,839.51x = 144,230,477.64
  5. Step 5: Solve for x
    x = 144,230,477.64/13,839.51
  6. Step 6: Final answer
    x = 10,421.65

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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.