Home / 10,947.79-15,109.08-6,232.37

Finding the Fourth Proportional to 10,947.79, 15,109.08 and 6,232.37

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Solution

The fourth proportional to 10,947.79, 15,109.08 and 6,232.37 is: 8,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.79 : 15,109.08 = 6,232.37 : x
  2. Step 2: Convert to fraction form
    10,947.79/15,109.08 = 6,232.37/x
  3. Step 3: Cross multiply
    10,947.79x = 15,109.08 × 6,232.37
  4. Step 4: Simplify right side
    10,947.79x = 94,165,376.92
  5. Step 5: Solve for x
    x = 94,165,376.92/10,947.79
  6. Step 6: Final answer
    x = 8,601.32

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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.