Home / 9,699.27-13,384.48-5,450.50

Finding the Fourth Proportional to 9,699.27, 13,384.48 and 5,450.50

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Solution

The fourth proportional to 9,699.27, 13,384.48 and 5,450.50 is: 7,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.27 : 13,384.48 = 5,450.50 : x
  2. Step 2: Convert to fraction form
    9,699.27/13,384.48 = 5,450.50/x
  3. Step 3: Cross multiply
    9,699.27x = 13,384.48 × 5,450.50
  4. Step 4: Simplify right side
    9,699.27x = 72,952,108.24
  5. Step 5: Solve for x
    x = 72,952,108.24/9,699.27
  6. Step 6: Final answer
    x = 7,521.40

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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.