Home / 14,313.61-19,749.52-9,005.12

Finding the Fourth Proportional to 14,313.61, 19,749.52 and 9,005.12

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Solution

The fourth proportional to 14,313.61, 19,749.52 and 9,005.12 is: 12,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.61 : 19,749.52 = 9,005.12 : x
  2. Step 2: Convert to fraction form
    14,313.61/19,749.52 = 9,005.12/x
  3. Step 3: Cross multiply
    14,313.61x = 19,749.52 × 9,005.12
  4. Step 4: Simplify right side
    14,313.61x = 177,846,895.20
  5. Step 5: Solve for x
    x = 177,846,895.20/14,313.61
  6. Step 6: Final answer
    x = 12,425.02

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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.