Home / 10,314.39-14,237.31-7,338.85

Finding the Fourth Proportional to 10,314.39, 14,237.31 and 7,338.85

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Solution

The fourth proportional to 10,314.39, 14,237.31 and 7,338.85 is: 10,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.39 : 14,237.31 = 7,338.85 : x
  2. Step 2: Convert to fraction form
    10,314.39/14,237.31 = 7,338.85/x
  3. Step 3: Cross multiply
    10,314.39x = 14,237.31 × 7,338.85
  4. Step 4: Simplify right side
    10,314.39x = 104,485,482.49
  5. Step 5: Solve for x
    x = 104,485,482.49/10,314.39
  6. Step 6: Final answer
    x = 10,130.07

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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.