Home / 15,987.58-23,981.57-4,894.37

Finding the Fourth Proportional to 15,987.58, 23,981.57 and 4,894.37

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Solution

The fourth proportional to 15,987.58, 23,981.57 and 4,894.37 is: 7,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.58 : 23,981.57 = 4,894.37 : x
  2. Step 2: Convert to fraction form
    15,987.58/23,981.57 = 4,894.37/x
  3. Step 3: Cross multiply
    15,987.58x = 23,981.57 × 4,894.37
  4. Step 4: Simplify right side
    15,987.58x = 117,374,775.56
  5. Step 5: Solve for x
    x = 117,374,775.56/15,987.58
  6. Step 6: Final answer
    x = 7,341.62

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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.