Home / 19,368.25-26,729.81-10,986.37

Finding the Fourth Proportional to 19,368.25, 26,729.81 and 10,986.37

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Solution

The fourth proportional to 19,368.25, 26,729.81 and 10,986.37 is: 15,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.25 : 26,729.81 = 10,986.37 : x
  2. Step 2: Convert to fraction form
    19,368.25/26,729.81 = 10,986.37/x
  3. Step 3: Cross multiply
    19,368.25x = 26,729.81 × 10,986.37
  4. Step 4: Simplify right side
    19,368.25x = 293,663,582.69
  5. Step 5: Solve for x
    x = 293,663,582.69/19,368.25
  6. Step 6: Final answer
    x = 15,162.11

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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.