Home / 10,319.09-14,239.95-5,603.27

Finding the Fourth Proportional to 10,319.09, 14,239.95 and 5,603.27

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Solution

The fourth proportional to 10,319.09, 14,239.95 and 5,603.27 is: 7,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.09 : 14,239.95 = 5,603.27 : x
  2. Step 2: Convert to fraction form
    10,319.09/14,239.95 = 5,603.27/x
  3. Step 3: Cross multiply
    10,319.09x = 14,239.95 × 5,603.27
  4. Step 4: Simplify right side
    10,319.09x = 79,790,213.44
  5. Step 5: Solve for x
    x = 79,790,213.44/10,319.09
  6. Step 6: Final answer
    x = 7,732.30

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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.