Home / 13,803.13-19,048.26-7,515.37

Finding the Fourth Proportional to 13,803.13, 19,048.26 and 7,515.37

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Solution

The fourth proportional to 13,803.13, 19,048.26 and 7,515.37 is: 10,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.13 : 19,048.26 = 7,515.37 : x
  2. Step 2: Convert to fraction form
    13,803.13/19,048.26 = 7,515.37/x
  3. Step 3: Cross multiply
    13,803.13x = 19,048.26 × 7,515.37
  4. Step 4: Simplify right side
    13,803.13x = 143,154,721.76
  5. Step 5: Solve for x
    x = 143,154,721.76/13,803.13
  6. Step 6: Final answer
    x = 10,371.18

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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.