Home / 13,595.58-18,761.64-7,628.72

Finding the Fourth Proportional to 13,595.58, 18,761.64 and 7,628.72

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Solution

The fourth proportional to 13,595.58, 18,761.64 and 7,628.72 is: 10,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.58 : 18,761.64 = 7,628.72 : x
  2. Step 2: Convert to fraction form
    13,595.58/18,761.64 = 7,628.72/x
  3. Step 3: Cross multiply
    13,595.58x = 18,761.64 × 7,628.72
  4. Step 4: Simplify right side
    13,595.58x = 143,127,298.30
  5. Step 5: Solve for x
    x = 143,127,298.30/13,595.58
  6. Step 6: Final answer
    x = 10,527.49

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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.