Home / 13,303.19-19,953.09-3,942.99

Finding the Fourth Proportional to 13,303.19, 19,953.09 and 3,942.99

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Solution

The fourth proportional to 13,303.19, 19,953.09 and 3,942.99 is: 5,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.19 : 19,953.09 = 3,942.99 : x
  2. Step 2: Convert to fraction form
    13,303.19/19,953.09 = 3,942.99/x
  3. Step 3: Cross multiply
    13,303.19x = 19,953.09 × 3,942.99
  4. Step 4: Simplify right side
    13,303.19x = 78,674,834.34
  5. Step 5: Solve for x
    x = 78,674,834.34/13,303.19
  6. Step 6: Final answer
    x = 5,913.98

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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.