Home / 14,154.26-21,237.24-7,130.48

Finding the Fourth Proportional to 14,154.26, 21,237.24 and 7,130.48

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Solution

The fourth proportional to 14,154.26, 21,237.24 and 7,130.48 is: 10,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.26 : 21,237.24 = 7,130.48 : x
  2. Step 2: Convert to fraction form
    14,154.26/21,237.24 = 7,130.48/x
  3. Step 3: Cross multiply
    14,154.26x = 21,237.24 × 7,130.48
  4. Step 4: Simplify right side
    14,154.26x = 151,431,715.08
  5. Step 5: Solve for x
    x = 151,431,715.08/14,154.26
  6. Step 6: Final answer
    x = 10,698.67

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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.