Home / 12,328.67-18,492.85-11,730.99

Finding the Fourth Proportional to 12,328.67, 18,492.85 and 11,730.99

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Solution

The fourth proportional to 12,328.67, 18,492.85 and 11,730.99 is: 17,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.67 : 18,492.85 = 11,730.99 : x
  2. Step 2: Convert to fraction form
    12,328.67/18,492.85 = 11,730.99/x
  3. Step 3: Cross multiply
    12,328.67x = 18,492.85 × 11,730.99
  4. Step 4: Simplify right side
    12,328.67x = 216,939,490.87
  5. Step 5: Solve for x
    x = 216,939,490.87/12,328.67
  6. Step 6: Final answer
    x = 17,596.34

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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.