Home / 13,504.40-18,637.77-7,837.93

Finding the Fourth Proportional to 13,504.40, 18,637.77 and 7,837.93

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Solution

The fourth proportional to 13,504.40, 18,637.77 and 7,837.93 is: 10,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.40 : 18,637.77 = 7,837.93 : x
  2. Step 2: Convert to fraction form
    13,504.40/18,637.77 = 7,837.93/x
  3. Step 3: Cross multiply
    13,504.40x = 18,637.77 × 7,837.93
  4. Step 4: Simplify right side
    13,504.40x = 146,081,536.62
  5. Step 5: Solve for x
    x = 146,081,536.62/13,504.40
  6. Step 6: Final answer
    x = 10,817.33

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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.