Home / 12,280.28-16,945.17-6,903.08

Finding the Fourth Proportional to 12,280.28, 16,945.17 and 6,903.08

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Solution

The fourth proportional to 12,280.28, 16,945.17 and 6,903.08 is: 9,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.28 : 16,945.17 = 6,903.08 : x
  2. Step 2: Convert to fraction form
    12,280.28/16,945.17 = 6,903.08/x
  3. Step 3: Cross multiply
    12,280.28x = 16,945.17 × 6,903.08
  4. Step 4: Simplify right side
    12,280.28x = 116,973,864.12
  5. Step 5: Solve for x
    x = 116,973,864.12/12,280.28
  6. Step 6: Final answer
    x = 9,525.34

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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.