Home / 21,554.03-32,320.78-7,512.35

Finding the Fourth Proportional to 21,554.03, 32,320.78 and 7,512.35

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Solution

The fourth proportional to 21,554.03, 32,320.78 and 7,512.35 is: 11,264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.03 : 32,320.78 = 7,512.35 : x
  2. Step 2: Convert to fraction form
    21,554.03/32,320.78 = 7,512.35/x
  3. Step 3: Cross multiply
    21,554.03x = 32,320.78 × 7,512.35
  4. Step 4: Simplify right side
    21,554.03x = 242,804,831.25
  5. Step 5: Solve for x
    x = 242,804,831.25/21,554.03
  6. Step 6: Final answer
    x = 11,264.94

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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.