Home / 13,280.64-19,924.08-7,441.28

Finding the Fourth Proportional to 13,280.64, 19,924.08 and 7,441.28

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Solution

The fourth proportional to 13,280.64, 19,924.08 and 7,441.28 is: 11,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.64 : 19,924.08 = 7,441.28 : x
  2. Step 2: Convert to fraction form
    13,280.64/19,924.08 = 7,441.28/x
  3. Step 3: Cross multiply
    13,280.64x = 19,924.08 × 7,441.28
  4. Step 4: Simplify right side
    13,280.64x = 148,260,658.02
  5. Step 5: Solve for x
    x = 148,260,658.02/13,280.64
  6. Step 6: Final answer
    x = 11,163.67

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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.