Home / 13,263.55-19,900.64-4,830.64

Finding the Fourth Proportional to 13,263.55, 19,900.64 and 4,830.64

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Solution

The fourth proportional to 13,263.55, 19,900.64 and 4,830.64 is: 7,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.55 : 19,900.64 = 4,830.64 : x
  2. Step 2: Convert to fraction form
    13,263.55/19,900.64 = 4,830.64/x
  3. Step 3: Cross multiply
    13,263.55x = 19,900.64 × 4,830.64
  4. Step 4: Simplify right side
    13,263.55x = 96,132,908.67
  5. Step 5: Solve for x
    x = 96,132,908.67/13,263.55
  6. Step 6: Final answer
    x = 7,247.90

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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.