Home / 10,614.80-14,647.56-6,366.80

Finding the Fourth Proportional to 10,614.80, 14,647.56 and 6,366.80

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Solution

The fourth proportional to 10,614.80, 14,647.56 and 6,366.80 is: 8,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.80 : 14,647.56 = 6,366.80 : x
  2. Step 2: Convert to fraction form
    10,614.80/14,647.56 = 6,366.80/x
  3. Step 3: Cross multiply
    10,614.80x = 14,647.56 × 6,366.80
  4. Step 4: Simplify right side
    10,614.80x = 93,258,085.01
  5. Step 5: Solve for x
    x = 93,258,085.01/10,614.80
  6. Step 6: Final answer
    x = 8,785.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.