Home / 19,148.31-28,722.06-10,266.66

Finding the Fourth Proportional to 19,148.31, 28,722.06 and 10,266.66

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Solution

The fourth proportional to 19,148.31, 28,722.06 and 10,266.66 is: 15,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.31 : 28,722.06 = 10,266.66 : x
  2. Step 2: Convert to fraction form
    19,148.31/28,722.06 = 10,266.66/x
  3. Step 3: Cross multiply
    19,148.31x = 28,722.06 × 10,266.66
  4. Step 4: Simplify right side
    19,148.31x = 294,879,624.52
  5. Step 5: Solve for x
    x = 294,879,624.52/19,148.31
  6. Step 6: Final answer
    x = 15,399.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.