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Finding the Fourth Proportional to 17,030.40, 25,516.80 and 8,246.40

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Solution

The fourth proportional to 17,030.40, 25,516.80 and 8,246.40 is: 12,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,030.40 : 25,516.80 = 8,246.40 : x
  2. Step 2: Convert to fraction form
    17,030.40/25,516.80 = 8,246.40/x
  3. Step 3: Cross multiply
    17,030.40x = 25,516.80 × 8,246.40
  4. Step 4: Simplify right side
    17,030.40x = 210,421,739.52
  5. Step 5: Solve for x
    x = 210,421,739.52/17,030.40
  6. Step 6: Final answer
    x = 12,355.65

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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.