Home / 13,383.24-20,070.81-9,675.06

Finding the Fourth Proportional to 13,383.24, 20,070.81 and 9,675.06

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Solution

The fourth proportional to 13,383.24, 20,070.81 and 9,675.06 is: 14,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.24 : 20,070.81 = 9,675.06 : x
  2. Step 2: Convert to fraction form
    13,383.24/20,070.81 = 9,675.06/x
  3. Step 3: Cross multiply
    13,383.24x = 20,070.81 × 9,675.06
  4. Step 4: Simplify right side
    13,383.24x = 194,186,291.00
  5. Step 5: Solve for x
    x = 194,186,291.00/13,383.24
  6. Step 6: Final answer
    x = 14,509.66

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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.