Home / 19,412.62-29,118.93-7,725.94

Finding the Fourth Proportional to 19,412.62, 29,118.93 and 7,725.94

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Solution

The fourth proportional to 19,412.62, 29,118.93 and 7,725.94 is: 11,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.62 : 29,118.93 = 7,725.94 : x
  2. Step 2: Convert to fraction form
    19,412.62/29,118.93 = 7,725.94/x
  3. Step 3: Cross multiply
    19,412.62x = 29,118.93 × 7,725.94
  4. Step 4: Simplify right side
    19,412.62x = 224,971,106.04
  5. Step 5: Solve for x
    x = 224,971,106.04/19,412.62
  6. Step 6: Final answer
    x = 11,588.91

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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.