Home / 13,007.40-17,950.32-7,633.05

Finding the Fourth Proportional to 13,007.40, 17,950.32 and 7,633.05

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Solution

The fourth proportional to 13,007.40, 17,950.32 and 7,633.05 is: 10,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.40 : 17,950.32 = 7,633.05 : x
  2. Step 2: Convert to fraction form
    13,007.40/17,950.32 = 7,633.05/x
  3. Step 3: Cross multiply
    13,007.40x = 17,950.32 × 7,633.05
  4. Step 4: Simplify right side
    13,007.40x = 137,015,690.08
  5. Step 5: Solve for x
    x = 137,015,690.08/13,007.40
  6. Step 6: Final answer
    x = 10,533.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.