Home / 14,307.08-21,425.96-7,268.56

Finding the Fourth Proportional to 14,307.08, 21,425.96 and 7,268.56

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Solution

The fourth proportional to 14,307.08, 21,425.96 and 7,268.56 is: 10,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.08 : 21,425.96 = 7,268.56 : x
  2. Step 2: Convert to fraction form
    14,307.08/21,425.96 = 7,268.56/x
  3. Step 3: Cross multiply
    14,307.08x = 21,425.96 × 7,268.56
  4. Step 4: Simplify right side
    14,307.08x = 155,735,875.82
  5. Step 5: Solve for x
    x = 155,735,875.82/14,307.08
  6. Step 6: Final answer
    x = 10,885.23

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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.