Home / 15,678.26-23,521.44-5,820.35

Finding the Fourth Proportional to 15,678.26, 23,521.44 and 5,820.35

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Solution

The fourth proportional to 15,678.26, 23,521.44 and 5,820.35 is: 8,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.26 : 23,521.44 = 5,820.35 : x
  2. Step 2: Convert to fraction form
    15,678.26/23,521.44 = 5,820.35/x
  3. Step 3: Cross multiply
    15,678.26x = 23,521.44 × 5,820.35
  4. Step 4: Simplify right side
    15,678.26x = 136,903,013.30
  5. Step 5: Solve for x
    x = 136,903,013.30/15,678.26
  6. Step 6: Final answer
    x = 8,732.03

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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.