Home / 13,564.83-18,720.35-7,596.88

Finding the Fourth Proportional to 13,564.83, 18,720.35 and 7,596.88

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Solution

The fourth proportional to 13,564.83, 18,720.35 and 7,596.88 is: 10,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.83 : 18,720.35 = 7,596.88 : x
  2. Step 2: Convert to fraction form
    13,564.83/18,720.35 = 7,596.88/x
  3. Step 3: Cross multiply
    13,564.83x = 18,720.35 × 7,596.88
  4. Step 4: Simplify right side
    13,564.83x = 142,216,224.70
  5. Step 5: Solve for x
    x = 142,216,224.70/13,564.83
  6. Step 6: Final answer
    x = 10,484.19

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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.