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Finding the Fourth Proportional to 15,630, 23,445 and 4,686

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Solution

The fourth proportional to 15,630, 23,445 and 4,686 is: 7,029

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630 : 23,445 = 4,686 : x
  2. Step 2: Convert to fraction form
    15,630/23,445 = 4,686/x
  3. Step 3: Cross multiply
    15,630x = 23,445 × 4,686
  4. Step 4: Simplify right side
    15,630x = 109,863,270
  5. Step 5: Solve for x
    x = 109,863,270/15,630
  6. Step 6: Final answer
    x = 7,029

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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.