Home / 13,564.24-18,718.68-7,595.88

Finding the Fourth Proportional to 13,564.24, 18,718.68 and 7,595.88

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Solution

The fourth proportional to 13,564.24, 18,718.68 and 7,595.88 is: 10,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.24 : 18,718.68 = 7,595.88 : x
  2. Step 2: Convert to fraction form
    13,564.24/18,718.68 = 7,595.88/x
  3. Step 3: Cross multiply
    13,564.24x = 18,718.68 × 7,595.88
  4. Step 4: Simplify right side
    13,564.24x = 142,184,847.04
  5. Step 5: Solve for x
    x = 142,184,847.04/13,564.24
  6. Step 6: Final answer
    x = 10,482.33

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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.