Home / 15,878.31-23,815.44-5,346.69

Finding the Fourth Proportional to 15,878.31, 23,815.44 and 5,346.69

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Solution

The fourth proportional to 15,878.31, 23,815.44 and 5,346.69 is: 8,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.31 : 23,815.44 = 5,346.69 : x
  2. Step 2: Convert to fraction form
    15,878.31/23,815.44 = 5,346.69/x
  3. Step 3: Cross multiply
    15,878.31x = 23,815.44 × 5,346.69
  4. Step 4: Simplify right side
    15,878.31x = 127,333,774.89
  5. Step 5: Solve for x
    x = 127,333,774.89/15,878.31
  6. Step 6: Final answer
    x = 8,019.35

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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.