Home / 15,528.63-21,435.95-11,752.85

Finding the Fourth Proportional to 15,528.63, 21,435.95 and 11,752.85

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Solution

The fourth proportional to 15,528.63, 21,435.95 and 11,752.85 is: 16,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.63 : 21,435.95 = 11,752.85 : x
  2. Step 2: Convert to fraction form
    15,528.63/21,435.95 = 11,752.85/x
  3. Step 3: Cross multiply
    15,528.63x = 21,435.95 × 11,752.85
  4. Step 4: Simplify right side
    15,528.63x = 251,933,441.43
  5. Step 5: Solve for x
    x = 251,933,441.43/15,528.63
  6. Step 6: Final answer
    x = 16,223.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.