Home / 13,837.92-19,095.80-7,550.30

Finding the Fourth Proportional to 13,837.92, 19,095.80 and 7,550.30

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Solution

The fourth proportional to 13,837.92, 19,095.80 and 7,550.30 is: 10,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.92 : 19,095.80 = 7,550.30 : x
  2. Step 2: Convert to fraction form
    13,837.92/19,095.80 = 7,550.30/x
  3. Step 3: Cross multiply
    13,837.92x = 19,095.80 × 7,550.30
  4. Step 4: Simplify right side
    13,837.92x = 144,178,885.51
  5. Step 5: Solve for x
    x = 144,178,885.51/13,837.92
  6. Step 6: Final answer
    x = 10,419.12

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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.