Home / 11,426.51-15,768.70-6,710.87

Finding the Fourth Proportional to 11,426.51, 15,768.70 and 6,710.87

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Solution

The fourth proportional to 11,426.51, 15,768.70 and 6,710.87 is: 9,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.51 : 15,768.70 = 6,710.87 : x
  2. Step 2: Convert to fraction form
    11,426.51/15,768.70 = 6,710.87/x
  3. Step 3: Cross multiply
    11,426.51x = 15,768.70 × 6,710.87
  4. Step 4: Simplify right side
    11,426.51x = 105,821,600.15
  5. Step 5: Solve for x
    x = 105,821,600.15/11,426.51
  6. Step 6: Final answer
    x = 9,261.06

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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.