Home / 14,225.28-21,348.40-11,484.72

Finding the Fourth Proportional to 14,225.28, 21,348.40 and 11,484.72

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Solution

The fourth proportional to 14,225.28, 21,348.40 and 11,484.72 is: 17,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.28 : 21,348.40 = 11,484.72 : x
  2. Step 2: Convert to fraction form
    14,225.28/21,348.40 = 11,484.72/x
  3. Step 3: Cross multiply
    14,225.28x = 21,348.40 × 11,484.72
  4. Step 4: Simplify right side
    14,225.28x = 245,180,396.45
  5. Step 5: Solve for x
    x = 245,180,396.45/14,225.28
  6. Step 6: Final answer
    x = 17,235.54

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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.