Home / 12,015.17-16,580.76-6,710.06

Finding the Fourth Proportional to 12,015.17, 16,580.76 and 6,710.06

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Solution

The fourth proportional to 12,015.17, 16,580.76 and 6,710.06 is: 9,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.17 : 16,580.76 = 6,710.06 : x
  2. Step 2: Convert to fraction form
    12,015.17/16,580.76 = 6,710.06/x
  3. Step 3: Cross multiply
    12,015.17x = 16,580.76 × 6,710.06
  4. Step 4: Simplify right side
    12,015.17x = 111,257,894.45
  5. Step 5: Solve for x
    x = 111,257,894.45/12,015.17
  6. Step 6: Final answer
    x = 9,259.79

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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.