Home / 13,837.78-19,095.81-7,550.26

Finding the Fourth Proportional to 13,837.78, 19,095.81 and 7,550.26

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Solution

The fourth proportional to 13,837.78, 19,095.81 and 7,550.26 is: 10,419.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.78 : 19,095.81 = 7,550.26 : x
  2. Step 2: Convert to fraction form
    13,837.78/19,095.81 = 7,550.26/x
  3. Step 3: Cross multiply
    13,837.78x = 19,095.81 × 7,550.26
  4. Step 4: Simplify right side
    13,837.78x = 144,178,330.41
  5. Step 5: Solve for x
    x = 144,178,330.41/13,837.78
  6. Step 6: Final answer
    x = 10,419.18

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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.