Home / 14,301.12-19,736.64-9,000.48

Finding the Fourth Proportional to 14,301.12, 19,736.64 and 9,000.48

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Solution

The fourth proportional to 14,301.12, 19,736.64 and 9,000.48 is: 12,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.12 : 19,736.64 = 9,000.48 : x
  2. Step 2: Convert to fraction form
    14,301.12/19,736.64 = 9,000.48/x
  3. Step 3: Cross multiply
    14,301.12x = 19,736.64 × 9,000.48
  4. Step 4: Simplify right side
    14,301.12x = 177,639,233.59
  5. Step 5: Solve for x
    x = 177,639,233.59/14,301.12
  6. Step 6: Final answer
    x = 12,421.35

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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.