Home / 12,313.47-16,993.15-7,009.39

Finding the Fourth Proportional to 12,313.47, 16,993.15 and 7,009.39

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Solution

The fourth proportional to 12,313.47, 16,993.15 and 7,009.39 is: 9,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.47 : 16,993.15 = 7,009.39 : x
  2. Step 2: Convert to fraction form
    12,313.47/16,993.15 = 7,009.39/x
  3. Step 3: Cross multiply
    12,313.47x = 16,993.15 × 7,009.39
  4. Step 4: Simplify right side
    12,313.47x = 119,111,555.67
  5. Step 5: Solve for x
    x = 119,111,555.67/12,313.47
  6. Step 6: Final answer
    x = 9,673.27

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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.