Home / 11,210.37-16,782.90-8,737.65

Finding the Fourth Proportional to 11,210.37, 16,782.90 and 8,737.65

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Solution

The fourth proportional to 11,210.37, 16,782.90 and 8,737.65 is: 13,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.37 : 16,782.90 = 8,737.65 : x
  2. Step 2: Convert to fraction form
    11,210.37/16,782.90 = 8,737.65/x
  3. Step 3: Cross multiply
    11,210.37x = 16,782.90 × 8,737.65
  4. Step 4: Simplify right side
    11,210.37x = 146,643,106.19
  5. Step 5: Solve for x
    x = 146,643,106.19/11,210.37
  6. Step 6: Final answer
    x = 13,081.02

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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.