Home / 12,922.07-17,808.95-10,087.97

Finding the Fourth Proportional to 12,922.07, 17,808.95 and 10,087.97

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Solution

The fourth proportional to 12,922.07, 17,808.95 and 10,087.97 is: 13,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.07 : 17,808.95 = 10,087.97 : x
  2. Step 2: Convert to fraction form
    12,922.07/17,808.95 = 10,087.97/x
  3. Step 3: Cross multiply
    12,922.07x = 17,808.95 × 10,087.97
  4. Step 4: Simplify right side
    12,922.07x = 179,656,089.51
  5. Step 5: Solve for x
    x = 179,656,089.51/12,922.07
  6. Step 6: Final answer
    x = 13,903.05

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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.