Home / 19,526.08-26,947.92-11,143.84

Finding the Fourth Proportional to 19,526.08, 26,947.92 and 11,143.84

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Solution

The fourth proportional to 19,526.08, 26,947.92 and 11,143.84 is: 15,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.08 : 26,947.92 = 11,143.84 : x
  2. Step 2: Convert to fraction form
    19,526.08/26,947.92 = 11,143.84/x
  3. Step 3: Cross multiply
    19,526.08x = 26,947.92 × 11,143.84
  4. Step 4: Simplify right side
    19,526.08x = 300,303,308.81
  5. Step 5: Solve for x
    x = 300,303,308.81/19,526.08
  6. Step 6: Final answer
    x = 15,379.60

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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.