Home / 13,809.69-19,058.09-7,522.07

Finding the Fourth Proportional to 13,809.69, 19,058.09 and 7,522.07

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Solution

The fourth proportional to 13,809.69, 19,058.09 and 7,522.07 is: 10,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.69 : 19,058.09 = 7,522.07 : x
  2. Step 2: Convert to fraction form
    13,809.69/19,058.09 = 7,522.07/x
  3. Step 3: Cross multiply
    13,809.69x = 19,058.09 × 7,522.07
  4. Step 4: Simplify right side
    13,809.69x = 143,356,154.15
  5. Step 5: Solve for x
    x = 143,356,154.15/13,809.69
  6. Step 6: Final answer
    x = 10,380.84

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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.