Home / 13,802.84-19,048.26-7,515.56

Finding the Fourth Proportional to 13,802.84, 19,048.26 and 7,515.56

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Solution

The fourth proportional to 13,802.84, 19,048.26 and 7,515.56 is: 10,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.84 : 19,048.26 = 7,515.56 : x
  2. Step 2: Convert to fraction form
    13,802.84/19,048.26 = 7,515.56/x
  3. Step 3: Cross multiply
    13,802.84x = 19,048.26 × 7,515.56
  4. Step 4: Simplify right side
    13,802.84x = 143,158,340.93
  5. Step 5: Solve for x
    x = 143,158,340.93/13,802.84
  6. Step 6: Final answer
    x = 10,371.66

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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.