Home / 14,336.48-19,776.88-9,021.28

Finding the Fourth Proportional to 14,336.48, 19,776.88 and 9,021.28

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Solution

The fourth proportional to 14,336.48, 19,776.88 and 9,021.28 is: 12,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.48 : 19,776.88 = 9,021.28 : x
  2. Step 2: Convert to fraction form
    14,336.48/19,776.88 = 9,021.28/x
  3. Step 3: Cross multiply
    14,336.48x = 19,776.88 × 9,021.28
  4. Step 4: Simplify right side
    14,336.48x = 178,412,772.01
  5. Step 5: Solve for x
    x = 178,412,772.01/14,336.48
  6. Step 6: Final answer
    x = 12,444.67

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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.