Home / 10,389.42-15,586.83-2,994.48

Finding the Fourth Proportional to 10,389.42, 15,586.83 and 2,994.48

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Solution

The fourth proportional to 10,389.42, 15,586.83 and 2,994.48 is: 4,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.42 : 15,586.83 = 2,994.48 : x
  2. Step 2: Convert to fraction form
    10,389.42/15,586.83 = 2,994.48/x
  3. Step 3: Cross multiply
    10,389.42x = 15,586.83 × 2,994.48
  4. Step 4: Simplify right side
    10,389.42x = 46,674,450.70
  5. Step 5: Solve for x
    x = 46,674,450.70/10,389.42
  6. Step 6: Final answer
    x = 4,492.50

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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.