Home / 19,410.72-29,122.23-6,930.47

Finding the Fourth Proportional to 19,410.72, 29,122.23 and 6,930.47

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Solution

The fourth proportional to 19,410.72, 29,122.23 and 6,930.47 is: 10,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.72 : 29,122.23 = 6,930.47 : x
  2. Step 2: Convert to fraction form
    19,410.72/29,122.23 = 6,930.47/x
  3. Step 3: Cross multiply
    19,410.72x = 29,122.23 × 6,930.47
  4. Step 4: Simplify right side
    19,410.72x = 201,830,595.74
  5. Step 5: Solve for x
    x = 201,830,595.74/19,410.72
  6. Step 6: Final answer
    x = 10,397.89

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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.