Home / 15,184.32-22,779.36-8,617.92

Finding the Fourth Proportional to 15,184.32, 22,779.36 and 8,617.92

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Solution

The fourth proportional to 15,184.32, 22,779.36 and 8,617.92 is: 12,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.32 : 22,779.36 = 8,617.92 : x
  2. Step 2: Convert to fraction form
    15,184.32/22,779.36 = 8,617.92/x
  3. Step 3: Cross multiply
    15,184.32x = 22,779.36 × 8,617.92
  4. Step 4: Simplify right side
    15,184.32x = 196,310,702.13
  5. Step 5: Solve for x
    x = 196,310,702.13/15,184.32
  6. Step 6: Final answer
    x = 12,928.51

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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.