Home / 19,486.58-26,888.49-10,988.33

Finding the Fourth Proportional to 19,486.58, 26,888.49 and 10,988.33

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Solution

The fourth proportional to 19,486.58, 26,888.49 and 10,988.33 is: 15,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.58 : 26,888.49 = 10,988.33 : x
  2. Step 2: Convert to fraction form
    19,486.58/26,888.49 = 10,988.33/x
  3. Step 3: Cross multiply
    19,486.58x = 26,888.49 × 10,988.33
  4. Step 4: Simplify right side
    19,486.58x = 295,459,466.88
  5. Step 5: Solve for x
    x = 295,459,466.88/19,486.58
  6. Step 6: Final answer
    x = 15,162.21

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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.