Home / 19,134.32-28,701.48-9,271.92

Finding the Fourth Proportional to 19,134.32, 28,701.48 and 9,271.92

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Solution

The fourth proportional to 19,134.32, 28,701.48 and 9,271.92 is: 13,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.32 : 28,701.48 = 9,271.92 : x
  2. Step 2: Convert to fraction form
    19,134.32/28,701.48 = 9,271.92/x
  3. Step 3: Cross multiply
    19,134.32x = 28,701.48 × 9,271.92
  4. Step 4: Simplify right side
    19,134.32x = 266,117,826.44
  5. Step 5: Solve for x
    x = 266,117,826.44/19,134.32
  6. Step 6: Final answer
    x = 13,907.88

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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.