Home / 10,319.09-14,240.27-5,603.37

Finding the Fourth Proportional to 10,319.09, 14,240.27 and 5,603.37

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Solution

The fourth proportional to 10,319.09, 14,240.27 and 5,603.37 is: 7,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.09 : 14,240.27 = 5,603.37 : x
  2. Step 2: Convert to fraction form
    10,319.09/14,240.27 = 5,603.37/x
  3. Step 3: Cross multiply
    10,319.09x = 14,240.27 × 5,603.37
  4. Step 4: Simplify right side
    10,319.09x = 79,793,430.51
  5. Step 5: Solve for x
    x = 79,793,430.51/10,319.09
  6. Step 6: Final answer
    x = 7,732.61

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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.