Home / 10,485.23-15,727.80-3,089.67

Finding the Fourth Proportional to 10,485.23, 15,727.80 and 3,089.67

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Solution

The fourth proportional to 10,485.23, 15,727.80 and 3,089.67 is: 4,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.23 : 15,727.80 = 3,089.67 : x
  2. Step 2: Convert to fraction form
    10,485.23/15,727.80 = 3,089.67/x
  3. Step 3: Cross multiply
    10,485.23x = 15,727.80 × 3,089.67
  4. Step 4: Simplify right side
    10,485.23x = 48,593,711.83
  5. Step 5: Solve for x
    x = 48,593,711.83/10,485.23
  6. Step 6: Final answer
    x = 4,634.49

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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.