Home / 15,690.40-23,533.68-5,826.72

Finding the Fourth Proportional to 15,690.40, 23,533.68 and 5,826.72

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Solution

The fourth proportional to 15,690.40, 23,533.68 and 5,826.72 is: 8,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.40 : 23,533.68 = 5,826.72 : x
  2. Step 2: Convert to fraction form
    15,690.40/23,533.68 = 5,826.72/x
  3. Step 3: Cross multiply
    15,690.40x = 23,533.68 × 5,826.72
  4. Step 4: Simplify right side
    15,690.40x = 137,124,163.93
  5. Step 5: Solve for x
    x = 137,124,163.93/15,690.40
  6. Step 6: Final answer
    x = 8,739.37

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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.