Home / 10,308.96-14,239.71-7,625.63

Finding the Fourth Proportional to 10,308.96, 14,239.71 and 7,625.63

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Solution

The fourth proportional to 10,308.96, 14,239.71 and 7,625.63 is: 10,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.96 : 14,239.71 = 7,625.63 : x
  2. Step 2: Convert to fraction form
    10,308.96/14,239.71 = 7,625.63/x
  3. Step 3: Cross multiply
    10,308.96x = 14,239.71 × 7,625.63
  4. Step 4: Simplify right side
    10,308.96x = 108,586,855.11
  5. Step 5: Solve for x
    x = 108,586,855.11/10,308.96
  6. Step 6: Final answer
    x = 10,533.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.