Home / 13,528.92-18,664.83-7,558.41

Finding the Fourth Proportional to 13,528.92, 18,664.83 and 7,558.41

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Solution

The fourth proportional to 13,528.92, 18,664.83 and 7,558.41 is: 10,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.92 : 18,664.83 = 7,558.41 : x
  2. Step 2: Convert to fraction form
    13,528.92/18,664.83 = 7,558.41/x
  3. Step 3: Cross multiply
    13,528.92x = 18,664.83 × 7,558.41
  4. Step 4: Simplify right side
    13,528.92x = 141,076,507.71
  5. Step 5: Solve for x
    x = 141,076,507.71/13,528.92
  6. Step 6: Final answer
    x = 10,427.77

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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.