Home / 17,750.84-26,626.40-7,887.48

Finding the Fourth Proportional to 17,750.84, 26,626.40 and 7,887.48

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Solution

The fourth proportional to 17,750.84, 26,626.40 and 7,887.48 is: 11,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.84 : 26,626.40 = 7,887.48 : x
  2. Step 2: Convert to fraction form
    17,750.84/26,626.40 = 7,887.48/x
  3. Step 3: Cross multiply
    17,750.84x = 26,626.40 × 7,887.48
  4. Step 4: Simplify right side
    17,750.84x = 210,015,197.47
  5. Step 5: Solve for x
    x = 210,015,197.47/17,750.84
  6. Step 6: Final answer
    x = 11,831.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.