Home / 19,509.60-26,926.74-11,555.76

Finding the Fourth Proportional to 19,509.60, 26,926.74 and 11,555.76

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Solution

The fourth proportional to 19,509.60, 26,926.74 and 11,555.76 is: 15,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.60 : 26,926.74 = 11,555.76 : x
  2. Step 2: Convert to fraction form
    19,509.60/26,926.74 = 11,555.76/x
  3. Step 3: Cross multiply
    19,509.60x = 26,926.74 × 11,555.76
  4. Step 4: Simplify right side
    19,509.60x = 311,158,945.02
  5. Step 5: Solve for x
    x = 311,158,945.02/19,509.60
  6. Step 6: Final answer
    x = 15,949.02

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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.