Home / 13,780.09-20,653.73-9,597.45

Finding the Fourth Proportional to 13,780.09, 20,653.73 and 9,597.45

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Solution

The fourth proportional to 13,780.09, 20,653.73 and 9,597.45 is: 14,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.09 : 20,653.73 = 9,597.45 : x
  2. Step 2: Convert to fraction form
    13,780.09/20,653.73 = 9,597.45/x
  3. Step 3: Cross multiply
    13,780.09x = 20,653.73 × 9,597.45
  4. Step 4: Simplify right side
    13,780.09x = 198,223,260.43
  5. Step 5: Solve for x
    x = 198,223,260.43/13,780.09
  6. Step 6: Final answer
    x = 14,384.76

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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.