Home / 9,859.93-13,606.65-5,383.94

Finding the Fourth Proportional to 9,859.93, 13,606.65 and 5,383.94

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Solution

The fourth proportional to 9,859.93, 13,606.65 and 5,383.94 is: 7,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.93 : 13,606.65 = 5,383.94 : x
  2. Step 2: Convert to fraction form
    9,859.93/13,606.65 = 5,383.94/x
  3. Step 3: Cross multiply
    9,859.93x = 13,606.65 × 5,383.94
  4. Step 4: Simplify right side
    9,859.93x = 73,257,319.17
  5. Step 5: Solve for x
    x = 73,257,319.17/9,859.93
  6. Step 6: Final answer
    x = 7,429.80

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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.