Home / 19,427.16-29,140.71-7,748.58

Finding the Fourth Proportional to 19,427.16, 29,140.71 and 7,748.58

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Solution

The fourth proportional to 19,427.16, 29,140.71 and 7,748.58 is: 11,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.16 : 29,140.71 = 7,748.58 : x
  2. Step 2: Convert to fraction form
    19,427.16/29,140.71 = 7,748.58/x
  3. Step 3: Cross multiply
    19,427.16x = 29,140.71 × 7,748.58
  4. Step 4: Simplify right side
    19,427.16x = 225,798,996.36
  5. Step 5: Solve for x
    x = 225,798,996.36/19,427.16
  6. Step 6: Final answer
    x = 11,622.85

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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.