Home / 19,748.40-29,622.60-7,907.51

Finding the Fourth Proportional to 19,748.40, 29,622.60 and 7,907.51

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Solution

The fourth proportional to 19,748.40, 29,622.60 and 7,907.51 is: 11,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.40 : 29,622.60 = 7,907.51 : x
  2. Step 2: Convert to fraction form
    19,748.40/29,622.60 = 7,907.51/x
  3. Step 3: Cross multiply
    19,748.40x = 29,622.60 × 7,907.51
  4. Step 4: Simplify right side
    19,748.40x = 234,240,818.08
  5. Step 5: Solve for x
    x = 234,240,818.08/19,748.40
  6. Step 6: Final answer
    x = 11,861.26

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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.