Home / 19,338.81-26,686.67-10,955.37

Finding the Fourth Proportional to 19,338.81, 26,686.67 and 10,955.37

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Solution

The fourth proportional to 19,338.81, 26,686.67 and 10,955.37 is: 15,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.81 : 26,686.67 = 10,955.37 : x
  2. Step 2: Convert to fraction form
    19,338.81/26,686.67 = 10,955.37/x
  3. Step 3: Cross multiply
    19,338.81x = 26,686.67 × 10,955.37
  4. Step 4: Simplify right side
    19,338.81x = 292,362,289.14
  5. Step 5: Solve for x
    x = 292,362,289.14/19,338.81
  6. Step 6: Final answer
    x = 15,117.90

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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.