Home / 12,365.36-17,064.28-6,776.56

Finding the Fourth Proportional to 12,365.36, 17,064.28 and 6,776.56

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Solution

The fourth proportional to 12,365.36, 17,064.28 and 6,776.56 is: 9,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.36 : 17,064.28 = 6,776.56 : x
  2. Step 2: Convert to fraction form
    12,365.36/17,064.28 = 6,776.56/x
  3. Step 3: Cross multiply
    12,365.36x = 17,064.28 × 6,776.56
  4. Step 4: Simplify right side
    12,365.36x = 115,637,117.28
  5. Step 5: Solve for x
    x = 115,637,117.28/12,365.36
  6. Step 6: Final answer
    x = 9,351.70

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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.