Home / 13,600.32-18,769.80-7,633.08

Finding the Fourth Proportional to 13,600.32, 18,769.80 and 7,633.08

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Solution

The fourth proportional to 13,600.32, 18,769.80 and 7,633.08 is: 10,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.32 : 18,769.80 = 7,633.08 : x
  2. Step 2: Convert to fraction form
    13,600.32/18,769.80 = 7,633.08/x
  3. Step 3: Cross multiply
    13,600.32x = 18,769.80 × 7,633.08
  4. Step 4: Simplify right side
    13,600.32x = 143,271,384.98
  5. Step 5: Solve for x
    x = 143,271,384.98/13,600.32
  6. Step 6: Final answer
    x = 10,534.41

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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.