Home / 10,492.74-15,738.50-4,647.38

Finding the Fourth Proportional to 10,492.74, 15,738.50 and 4,647.38

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Solution

The fourth proportional to 10,492.74, 15,738.50 and 4,647.38 is: 6,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.74 : 15,738.50 = 4,647.38 : x
  2. Step 2: Convert to fraction form
    10,492.74/15,738.50 = 4,647.38/x
  3. Step 3: Cross multiply
    10,492.74x = 15,738.50 × 4,647.38
  4. Step 4: Simplify right side
    10,492.74x = 73,142,723.06
  5. Step 5: Solve for x
    x = 73,142,723.06/10,492.74
  6. Step 6: Final answer
    x = 6,970.79

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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.