Home / 13,828.71-19,108.65-9,842.91

Finding the Fourth Proportional to 13,828.71, 19,108.65 and 9,842.91

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Solution

The fourth proportional to 13,828.71, 19,108.65 and 9,842.91 is: 13,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.71 : 19,108.65 = 9,842.91 : x
  2. Step 2: Convert to fraction form
    13,828.71/19,108.65 = 9,842.91/x
  3. Step 3: Cross multiply
    13,828.71x = 19,108.65 × 9,842.91
  4. Step 4: Simplify right side
    13,828.71x = 188,084,722.17
  5. Step 5: Solve for x
    x = 188,084,722.17/13,828.71
  6. Step 6: Final answer
    x = 13,601.03

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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.