Home / 12,349.80-18,492.30-9,736.20

Finding the Fourth Proportional to 12,349.80, 18,492.30 and 9,736.20

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Solution

The fourth proportional to 12,349.80, 18,492.30 and 9,736.20 is: 14,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.80 : 18,492.30 = 9,736.20 : x
  2. Step 2: Convert to fraction form
    12,349.80/18,492.30 = 9,736.20/x
  3. Step 3: Cross multiply
    12,349.80x = 18,492.30 × 9,736.20
  4. Step 4: Simplify right side
    12,349.80x = 180,044,731.26
  5. Step 5: Solve for x
    x = 180,044,731.26/12,349.80
  6. Step 6: Final answer
    x = 14,578.76

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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.