Home / 19,509.05-26,925.31-12,804.68

Finding the Fourth Proportional to 19,509.05, 26,925.31 and 12,804.68

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Solution

The fourth proportional to 19,509.05, 26,925.31 and 12,804.68 is: 17,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.05 : 26,925.31 = 12,804.68 : x
  2. Step 2: Convert to fraction form
    19,509.05/26,925.31 = 12,804.68/x
  3. Step 3: Cross multiply
    19,509.05x = 26,925.31 × 12,804.68
  4. Step 4: Simplify right side
    19,509.05x = 344,770,061.77
  5. Step 5: Solve for x
    x = 344,770,061.77/19,509.05
  6. Step 6: Final answer
    x = 17,672.31

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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.