Home / 18,487.08-25,512.40-10,529.32

Finding the Fourth Proportional to 18,487.08, 25,512.40 and 10,529.32

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Solution

The fourth proportional to 18,487.08, 25,512.40 and 10,529.32 is: 14,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.08 : 25,512.40 = 10,529.32 : x
  2. Step 2: Convert to fraction form
    18,487.08/25,512.40 = 10,529.32/x
  3. Step 3: Cross multiply
    18,487.08x = 25,512.40 × 10,529.32
  4. Step 4: Simplify right side
    18,487.08x = 268,628,223.57
  5. Step 5: Solve for x
    x = 268,628,223.57/18,487.08
  6. Step 6: Final answer
    x = 14,530.59

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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.