Home / 12,282.28-16,947.93-6,905.08

Finding the Fourth Proportional to 12,282.28, 16,947.93 and 6,905.08

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Solution

The fourth proportional to 12,282.28, 16,947.93 and 6,905.08 is: 9,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.28 : 16,947.93 = 6,905.08 : x
  2. Step 2: Convert to fraction form
    12,282.28/16,947.93 = 6,905.08/x
  3. Step 3: Cross multiply
    12,282.28x = 16,947.93 × 6,905.08
  4. Step 4: Simplify right side
    12,282.28x = 117,026,812.48
  5. Step 5: Solve for x
    x = 117,026,812.48/12,282.28
  6. Step 6: Final answer
    x = 9,528.10

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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.