Home / 16,904.40-25,378.20-9,013.20

Finding the Fourth Proportional to 16,904.40, 25,378.20 and 9,013.20

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Solution

The fourth proportional to 16,904.40, 25,378.20 and 9,013.20 is: 13,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.40 : 25,378.20 = 9,013.20 : x
  2. Step 2: Convert to fraction form
    16,904.40/25,378.20 = 9,013.20/x
  3. Step 3: Cross multiply
    16,904.40x = 25,378.20 × 9,013.20
  4. Step 4: Simplify right side
    16,904.40x = 228,738,792.24
  5. Step 5: Solve for x
    x = 228,738,792.24/16,904.40
  6. Step 6: Final answer
    x = 13,531.32

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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.