Home / 18,826.02-28,238.85-11,432.52

Finding the Fourth Proportional to 18,826.02, 28,238.85 and 11,432.52

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Solution

The fourth proportional to 18,826.02, 28,238.85 and 11,432.52 is: 17,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.02 : 28,238.85 = 11,432.52 : x
  2. Step 2: Convert to fraction form
    18,826.02/28,238.85 = 11,432.52/x
  3. Step 3: Cross multiply
    18,826.02x = 28,238.85 × 11,432.52
  4. Step 4: Simplify right side
    18,826.02x = 322,841,217.40
  5. Step 5: Solve for x
    x = 322,841,217.40/18,826.02
  6. Step 6: Final answer
    x = 17,148.67

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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.