Home / 19,389.12-29,094.12-7,702.44

Finding the Fourth Proportional to 19,389.12, 29,094.12 and 7,702.44

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Solution

The fourth proportional to 19,389.12, 29,094.12 and 7,702.44 is: 11,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.12 : 29,094.12 = 7,702.44 : x
  2. Step 2: Convert to fraction form
    19,389.12/29,094.12 = 7,702.44/x
  3. Step 3: Cross multiply
    19,389.12x = 29,094.12 × 7,702.44
  4. Step 4: Simplify right side
    19,389.12x = 224,095,713.65
  5. Step 5: Solve for x
    x = 224,095,713.65/19,389.12
  6. Step 6: Final answer
    x = 11,557.81

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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.