Home / 14,685.15-20,260.58-9,383.07

Finding the Fourth Proportional to 14,685.15, 20,260.58 and 9,383.07

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Solution

The fourth proportional to 14,685.15, 20,260.58 and 9,383.07 is: 12,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.15 : 20,260.58 = 9,383.07 : x
  2. Step 2: Convert to fraction form
    14,685.15/20,260.58 = 9,383.07/x
  3. Step 3: Cross multiply
    14,685.15x = 20,260.58 × 9,383.07
  4. Step 4: Simplify right side
    14,685.15x = 190,106,393.47
  5. Step 5: Solve for x
    x = 190,106,393.47/14,685.15
  6. Step 6: Final answer
    x = 12,945.49

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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.