Home / 19,300.07-28,950.69-6,649.67

Finding the Fourth Proportional to 19,300.07, 28,950.69 and 6,649.67

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Solution

The fourth proportional to 19,300.07, 28,950.69 and 6,649.67 is: 9,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.07 : 28,950.69 = 6,649.67 : x
  2. Step 2: Convert to fraction form
    19,300.07/28,950.69 = 6,649.67/x
  3. Step 3: Cross multiply
    19,300.07x = 28,950.69 × 6,649.67
  4. Step 4: Simplify right side
    19,300.07x = 192,512,534.77
  5. Step 5: Solve for x
    x = 192,512,534.77/19,300.07
  6. Step 6: Final answer
    x = 9,974.71

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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.