Home / 14,045.99-21,072.12-5,280.98

Finding the Fourth Proportional to 14,045.99, 21,072.12 and 5,280.98

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Solution

The fourth proportional to 14,045.99, 21,072.12 and 5,280.98 is: 7,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.99 : 21,072.12 = 5,280.98 : x
  2. Step 2: Convert to fraction form
    14,045.99/21,072.12 = 5,280.98/x
  3. Step 3: Cross multiply
    14,045.99x = 21,072.12 × 5,280.98
  4. Step 4: Simplify right side
    14,045.99x = 111,281,444.28
  5. Step 5: Solve for x
    x = 111,281,444.28/14,045.99
  6. Step 6: Final answer
    x = 7,922.65

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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.