Home / 15,603.20-23,446.40-8,588.80

Finding the Fourth Proportional to 15,603.20, 23,446.40 and 8,588.80

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Solution

The fourth proportional to 15,603.20, 23,446.40 and 8,588.80 is: 12,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.20 : 23,446.40 = 8,588.80 : x
  2. Step 2: Convert to fraction form
    15,603.20/23,446.40 = 8,588.80/x
  3. Step 3: Cross multiply
    15,603.20x = 23,446.40 × 8,588.80
  4. Step 4: Simplify right side
    15,603.20x = 201,376,440.32
  5. Step 5: Solve for x
    x = 201,376,440.32/15,603.20
  6. Step 6: Final answer
    x = 12,906.10

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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.