Home / 9,428.81-14,145.26-3,187.67

Finding the Fourth Proportional to 9,428.81, 14,145.26 and 3,187.67

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Solution

The fourth proportional to 9,428.81, 14,145.26 and 3,187.67 is: 4,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.81 : 14,145.26 = 3,187.67 : x
  2. Step 2: Convert to fraction form
    9,428.81/14,145.26 = 3,187.67/x
  3. Step 3: Cross multiply
    9,428.81x = 14,145.26 × 3,187.67
  4. Step 4: Simplify right side
    9,428.81x = 45,090,334.28
  5. Step 5: Solve for x
    x = 45,090,334.28/9,428.81
  6. Step 6: Final answer
    x = 4,782.19

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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.