Home / 15,389.84-23,087.64-6,156.56

Finding the Fourth Proportional to 15,389.84, 23,087.64 and 6,156.56

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Solution

The fourth proportional to 15,389.84, 23,087.64 and 6,156.56 is: 9,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.84 : 23,087.64 = 6,156.56 : x
  2. Step 2: Convert to fraction form
    15,389.84/23,087.64 = 6,156.56/x
  3. Step 3: Cross multiply
    15,389.84x = 23,087.64 × 6,156.56
  4. Step 4: Simplify right side
    15,389.84x = 142,140,440.92
  5. Step 5: Solve for x
    x = 142,140,440.92/15,389.84
  6. Step 6: Final answer
    x = 9,235.99

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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.