Home / 13,839.84-19,099.08-7,552.08

Finding the Fourth Proportional to 13,839.84, 19,099.08 and 7,552.08

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Solution

The fourth proportional to 13,839.84, 19,099.08 and 7,552.08 is: 10,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.84 : 19,099.08 = 7,552.08 : x
  2. Step 2: Convert to fraction form
    13,839.84/19,099.08 = 7,552.08/x
  3. Step 3: Cross multiply
    13,839.84x = 19,099.08 × 7,552.08
  4. Step 4: Simplify right side
    13,839.84x = 144,237,780.09
  5. Step 5: Solve for x
    x = 144,237,780.09/13,839.84
  6. Step 6: Final answer
    x = 10,421.93

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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.