Home / 13,290.09-19,935.63-4,523.91

Finding the Fourth Proportional to 13,290.09, 19,935.63 and 4,523.91

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Solution

The fourth proportional to 13,290.09, 19,935.63 and 4,523.91 is: 6,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.09 : 19,935.63 = 4,523.91 : x
  2. Step 2: Convert to fraction form
    13,290.09/19,935.63 = 4,523.91/x
  3. Step 3: Cross multiply
    13,290.09x = 19,935.63 × 4,523.91
  4. Step 4: Simplify right side
    13,290.09x = 90,186,995.91
  5. Step 5: Solve for x
    x = 90,186,995.91/13,290.09
  6. Step 6: Final answer
    x = 6,786.03

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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.