Home / 19,240.05-28,861.71-6,758.99

Finding the Fourth Proportional to 19,240.05, 28,861.71 and 6,758.99

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Solution

The fourth proportional to 19,240.05, 28,861.71 and 6,758.99 is: 10,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.05 : 28,861.71 = 6,758.99 : x
  2. Step 2: Convert to fraction form
    19,240.05/28,861.71 = 6,758.99/x
  3. Step 3: Cross multiply
    19,240.05x = 28,861.71 × 6,758.99
  4. Step 4: Simplify right side
    19,240.05x = 195,075,864.96
  5. Step 5: Solve for x
    x = 195,075,864.96/19,240.05
  6. Step 6: Final answer
    x = 10,139.05

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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.