Home / 13,313.23-19,983.63-9,807.19

Finding the Fourth Proportional to 13,313.23, 19,983.63 and 9,807.19

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Solution

The fourth proportional to 13,313.23, 19,983.63 and 9,807.19 is: 14,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.23 : 19,983.63 = 9,807.19 : x
  2. Step 2: Convert to fraction form
    13,313.23/19,983.63 = 9,807.19/x
  3. Step 3: Cross multiply
    13,313.23x = 19,983.63 × 9,807.19
  4. Step 4: Simplify right side
    13,313.23x = 195,983,243.12
  5. Step 5: Solve for x
    x = 195,983,243.12/13,313.23
  6. Step 6: Final answer
    x = 14,720.94

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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.