Home / 15,946.86-23,898.39-8,139.30

Finding the Fourth Proportional to 15,946.86, 23,898.39 and 8,139.30

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Solution

The fourth proportional to 15,946.86, 23,898.39 and 8,139.30 is: 12,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.86 : 23,898.39 = 8,139.30 : x
  2. Step 2: Convert to fraction form
    15,946.86/23,898.39 = 8,139.30/x
  3. Step 3: Cross multiply
    15,946.86x = 23,898.39 × 8,139.30
  4. Step 4: Simplify right side
    15,946.86x = 194,516,165.73
  5. Step 5: Solve for x
    x = 194,516,165.73/15,946.86
  6. Step 6: Final answer
    x = 12,197.77

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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.