Home / 21,391.46-32,085.36-6,600.50

Finding the Fourth Proportional to 21,391.46, 32,085.36 and 6,600.50

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Solution

The fourth proportional to 21,391.46, 32,085.36 and 6,600.50 is: 9,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,391.46 : 32,085.36 = 6,600.50 : x
  2. Step 2: Convert to fraction form
    21,391.46/32,085.36 = 6,600.50/x
  3. Step 3: Cross multiply
    21,391.46x = 32,085.36 × 6,600.50
  4. Step 4: Simplify right side
    21,391.46x = 211,779,258.25
  5. Step 5: Solve for x
    x = 211,779,258.25/21,391.46
  6. Step 6: Final answer
    x = 9,900.18

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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.