Home / 14,085.64-21,126.33-4,724.06

Finding the Fourth Proportional to 14,085.64, 21,126.33 and 4,724.06

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Solution

The fourth proportional to 14,085.64, 21,126.33 and 4,724.06 is: 7,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.64 : 21,126.33 = 4,724.06 : x
  2. Step 2: Convert to fraction form
    14,085.64/21,126.33 = 4,724.06/x
  3. Step 3: Cross multiply
    14,085.64x = 21,126.33 × 4,724.06
  4. Step 4: Simplify right side
    14,085.64x = 99,802,103.32
  5. Step 5: Solve for x
    x = 99,802,103.32/14,085.64
  6. Step 6: Final answer
    x = 7,085.38

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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.