Home / 13,918.69-19,207.40-7,950.24

Finding the Fourth Proportional to 13,918.69, 19,207.40 and 7,950.24

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Solution

The fourth proportional to 13,918.69, 19,207.40 and 7,950.24 is: 10,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.69 : 19,207.40 = 7,950.24 : x
  2. Step 2: Convert to fraction form
    13,918.69/19,207.40 = 7,950.24/x
  3. Step 3: Cross multiply
    13,918.69x = 19,207.40 × 7,950.24
  4. Step 4: Simplify right side
    13,918.69x = 152,703,303.99
  5. Step 5: Solve for x
    x = 152,703,303.99/13,918.69
  6. Step 6: Final answer
    x = 10,971.10

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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.