Home / 12,492.64-17,241.36-9,503.20

Finding the Fourth Proportional to 12,492.64, 17,241.36 and 9,503.20

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Solution

The fourth proportional to 12,492.64, 17,241.36 and 9,503.20 is: 13,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.64 : 17,241.36 = 9,503.20 : x
  2. Step 2: Convert to fraction form
    12,492.64/17,241.36 = 9,503.20/x
  3. Step 3: Cross multiply
    12,492.64x = 17,241.36 × 9,503.20
  4. Step 4: Simplify right side
    12,492.64x = 163,848,092.35
  5. Step 5: Solve for x
    x = 163,848,092.35/12,492.64
  6. Step 6: Final answer
    x = 13,115.57

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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.