Home / 13,825.76-19,088.79-10,633.28

Finding the Fourth Proportional to 13,825.76, 19,088.79 and 10,633.28

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Solution

The fourth proportional to 13,825.76, 19,088.79 and 10,633.28 is: 14,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.76 : 19,088.79 = 10,633.28 : x
  2. Step 2: Convert to fraction form
    13,825.76/19,088.79 = 10,633.28/x
  3. Step 3: Cross multiply
    13,825.76x = 19,088.79 × 10,633.28
  4. Step 4: Simplify right side
    13,825.76x = 202,976,448.93
  5. Step 5: Solve for x
    x = 202,976,448.93/13,825.76
  6. Step 6: Final answer
    x = 14,681.03

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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.