Home / 15,947.10-22,009.70-9,236.81

Finding the Fourth Proportional to 15,947.10, 22,009.70 and 9,236.81

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Solution

The fourth proportional to 15,947.10, 22,009.70 and 9,236.81 is: 12,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.10 : 22,009.70 = 9,236.81 : x
  2. Step 2: Convert to fraction form
    15,947.10/22,009.70 = 9,236.81/x
  3. Step 3: Cross multiply
    15,947.10x = 22,009.70 × 9,236.81
  4. Step 4: Simplify right side
    15,947.10x = 203,299,260.82
  5. Step 5: Solve for x
    x = 203,299,260.82/15,947.10
  6. Step 6: Final answer
    x = 12,748.35

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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.