Home / 14,087.28-21,135.13-5,653.72

Finding the Fourth Proportional to 14,087.28, 21,135.13 and 5,653.72

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Solution

The fourth proportional to 14,087.28, 21,135.13 and 5,653.72 is: 8,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.28 : 21,135.13 = 5,653.72 : x
  2. Step 2: Convert to fraction form
    14,087.28/21,135.13 = 5,653.72/x
  3. Step 3: Cross multiply
    14,087.28x = 21,135.13 × 5,653.72
  4. Step 4: Simplify right side
    14,087.28x = 119,492,080.94
  5. Step 5: Solve for x
    x = 119,492,080.94/14,087.28
  6. Step 6: Final answer
    x = 8,482.27

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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.