Home / 19,123.02-28,660.19-10,807.67

Finding the Fourth Proportional to 19,123.02, 28,660.19 and 10,807.67

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Solution

The fourth proportional to 19,123.02, 28,660.19 and 10,807.67 is: 16,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.02 : 28,660.19 = 10,807.67 : x
  2. Step 2: Convert to fraction form
    19,123.02/28,660.19 = 10,807.67/x
  3. Step 3: Cross multiply
    19,123.02x = 28,660.19 × 10,807.67
  4. Step 4: Simplify right side
    19,123.02x = 309,749,893.27
  5. Step 5: Solve for x
    x = 309,749,893.27/19,123.02
  6. Step 6: Final answer
    x = 16,197.75

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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.