Home / 12,352.07-18,528.10-5,782.87

Finding the Fourth Proportional to 12,352.07, 18,528.10 and 5,782.87

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Solution

The fourth proportional to 12,352.07, 18,528.10 and 5,782.87 is: 8,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.07 : 18,528.10 = 5,782.87 : x
  2. Step 2: Convert to fraction form
    12,352.07/18,528.10 = 5,782.87/x
  3. Step 3: Cross multiply
    12,352.07x = 18,528.10 × 5,782.87
  4. Step 4: Simplify right side
    12,352.07x = 107,145,590.90
  5. Step 5: Solve for x
    x = 107,145,590.90/12,352.07
  6. Step 6: Final answer
    x = 8,674.30

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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.