Home / 14,045.30-21,071.09-5,280.29

Finding the Fourth Proportional to 14,045.30, 21,071.09 and 5,280.29

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Solution

The fourth proportional to 14,045.30, 21,071.09 and 5,280.29 is: 7,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.30 : 21,071.09 = 5,280.29 : x
  2. Step 2: Convert to fraction form
    14,045.30/21,071.09 = 5,280.29/x
  3. Step 3: Cross multiply
    14,045.30x = 21,071.09 × 5,280.29
  4. Step 4: Simplify right side
    14,045.30x = 111,261,334.06
  5. Step 5: Solve for x
    x = 111,261,334.06/14,045.30
  6. Step 6: Final answer
    x = 7,921.61

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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.