Home / 13,898.51-19,179.59-7,766.26

Finding the Fourth Proportional to 13,898.51, 19,179.59 and 7,766.26

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Solution

The fourth proportional to 13,898.51, 19,179.59 and 7,766.26 is: 10,717.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.51 : 19,179.59 = 7,766.26 : x
  2. Step 2: Convert to fraction form
    13,898.51/19,179.59 = 7,766.26/x
  3. Step 3: Cross multiply
    13,898.51x = 19,179.59 × 7,766.26
  4. Step 4: Simplify right side
    13,898.51x = 148,953,663.28
  5. Step 5: Solve for x
    x = 148,953,663.28/13,898.51
  6. Step 6: Final answer
    x = 10,717.24

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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.