Home / 19,427.52-29,147.40-6,947.24

Finding the Fourth Proportional to 19,427.52, 29,147.40 and 6,947.24

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Solution

The fourth proportional to 19,427.52, 29,147.40 and 6,947.24 is: 10,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.52 : 29,147.40 = 6,947.24 : x
  2. Step 2: Convert to fraction form
    19,427.52/29,147.40 = 6,947.24/x
  3. Step 3: Cross multiply
    19,427.52x = 29,147.40 × 6,947.24
  4. Step 4: Simplify right side
    19,427.52x = 202,493,983.18
  5. Step 5: Solve for x
    x = 202,493,983.18/19,427.52
  6. Step 6: Final answer
    x = 10,423.05

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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.