Home / 18,695.24-28,037.35-7,005.72

Finding the Fourth Proportional to 18,695.24, 28,037.35 and 7,005.72

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Solution

The fourth proportional to 18,695.24, 28,037.35 and 7,005.72 is: 10,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.24 : 28,037.35 = 7,005.72 : x
  2. Step 2: Convert to fraction form
    18,695.24/28,037.35 = 7,005.72/x
  3. Step 3: Cross multiply
    18,695.24x = 28,037.35 × 7,005.72
  4. Step 4: Simplify right side
    18,695.24x = 196,421,788.61
  5. Step 5: Solve for x
    x = 196,421,788.61/18,695.24
  6. Step 6: Final answer
    x = 10,506.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.