Home / 14,628.78-20,187.63-8,341.02

Finding the Fourth Proportional to 14,628.78, 20,187.63 and 8,341.02

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Solution

The fourth proportional to 14,628.78, 20,187.63 and 8,341.02 is: 11,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.78 : 20,187.63 = 8,341.02 : x
  2. Step 2: Convert to fraction form
    14,628.78/20,187.63 = 8,341.02/x
  3. Step 3: Cross multiply
    14,628.78x = 20,187.63 × 8,341.02
  4. Step 4: Simplify right side
    14,628.78x = 168,385,425.58
  5. Step 5: Solve for x
    x = 168,385,425.58/14,628.78
  6. Step 6: Final answer
    x = 11,510.56

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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.