Home / 13,313.85-19,957.01-4,988.00

Finding the Fourth Proportional to 13,313.85, 19,957.01 and 4,988.00

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Solution

The fourth proportional to 13,313.85, 19,957.01 and 4,988.00 is: 7,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.85 : 19,957.01 = 4,988.00 : x
  2. Step 2: Convert to fraction form
    13,313.85/19,957.01 = 4,988.00/x
  3. Step 3: Cross multiply
    13,313.85x = 19,957.01 × 4,988.00
  4. Step 4: Simplify right side
    13,313.85x = 99,545,441.15
  5. Step 5: Solve for x
    x = 99,545,441.15/13,313.85
  6. Step 6: Final answer
    x = 7,476.83

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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.