Home / 13,659.84-20,492.48-4,302.21

Finding the Fourth Proportional to 13,659.84, 20,492.48 and 4,302.21

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Solution

The fourth proportional to 13,659.84, 20,492.48 and 4,302.21 is: 6,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.84 : 20,492.48 = 4,302.21 : x
  2. Step 2: Convert to fraction form
    13,659.84/20,492.48 = 4,302.21/x
  3. Step 3: Cross multiply
    13,659.84x = 20,492.48 × 4,302.21
  4. Step 4: Simplify right side
    13,659.84x = 88,162,952.38
  5. Step 5: Solve for x
    x = 88,162,952.38/13,659.84
  6. Step 6: Final answer
    x = 6,454.17

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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.