Home / 11,953.30-17,939.23-8,281.26

Finding the Fourth Proportional to 11,953.30, 17,939.23 and 8,281.26

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Solution

The fourth proportional to 11,953.30, 17,939.23 and 8,281.26 is: 12,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.30 : 17,939.23 = 8,281.26 : x
  2. Step 2: Convert to fraction form
    11,953.30/17,939.23 = 8,281.26/x
  3. Step 3: Cross multiply
    11,953.30x = 17,939.23 × 8,281.26
  4. Step 4: Simplify right side
    11,953.30x = 148,559,427.83
  5. Step 5: Solve for x
    x = 148,559,427.83/11,953.30
  6. Step 6: Final answer
    x = 12,428.32

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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.