Home / 14,284.56-21,434.94-7,710.60

Finding the Fourth Proportional to 14,284.56, 21,434.94 and 7,710.60

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Solution

The fourth proportional to 14,284.56, 21,434.94 and 7,710.60 is: 11,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.56 : 21,434.94 = 7,710.60 : x
  2. Step 2: Convert to fraction form
    14,284.56/21,434.94 = 7,710.60/x
  3. Step 3: Cross multiply
    14,284.56x = 21,434.94 × 7,710.60
  4. Step 4: Simplify right side
    14,284.56x = 165,276,248.36
  5. Step 5: Solve for x
    x = 165,276,248.36/14,284.56
  6. Step 6: Final answer
    x = 11,570.27

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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.