Home / 14,280.08-19,706.36-7,992.50

Finding the Fourth Proportional to 14,280.08, 19,706.36 and 7,992.50

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Solution

The fourth proportional to 14,280.08, 19,706.36 and 7,992.50 is: 11,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.08 : 19,706.36 = 7,992.50 : x
  2. Step 2: Convert to fraction form
    14,280.08/19,706.36 = 7,992.50/x
  3. Step 3: Cross multiply
    14,280.08x = 19,706.36 × 7,992.50
  4. Step 4: Simplify right side
    14,280.08x = 157,503,082.30
  5. Step 5: Solve for x
    x = 157,503,082.30/14,280.08
  6. Step 6: Final answer
    x = 11,029.57

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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.