Home / 14,318.03-21,471.89-4,955.50

Finding the Fourth Proportional to 14,318.03, 21,471.89 and 4,955.50

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Solution

The fourth proportional to 14,318.03, 21,471.89 and 4,955.50 is: 7,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.03 : 21,471.89 = 4,955.50 : x
  2. Step 2: Convert to fraction form
    14,318.03/21,471.89 = 4,955.50/x
  3. Step 3: Cross multiply
    14,318.03x = 21,471.89 × 4,955.50
  4. Step 4: Simplify right side
    14,318.03x = 106,403,938.51
  5. Step 5: Solve for x
    x = 106,403,938.51/14,318.03
  6. Step 6: Final answer
    x = 7,431.47

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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.