Home / 13,902.23-19,185.09-7,528.84

Finding the Fourth Proportional to 13,902.23, 19,185.09 and 7,528.84

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Solution

The fourth proportional to 13,902.23, 19,185.09 and 7,528.84 is: 10,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.23 : 19,185.09 = 7,528.84 : x
  2. Step 2: Convert to fraction form
    13,902.23/19,185.09 = 7,528.84/x
  3. Step 3: Cross multiply
    13,902.23x = 19,185.09 × 7,528.84
  4. Step 4: Simplify right side
    13,902.23x = 144,441,377.07
  5. Step 5: Solve for x
    x = 144,441,377.07/13,902.23
  6. Step 6: Final answer
    x = 10,389.80

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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.