Home / 14,873.32-20,521.74-8,902.72

Finding the Fourth Proportional to 14,873.32, 20,521.74 and 8,902.72

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Solution

The fourth proportional to 14,873.32, 20,521.74 and 8,902.72 is: 12,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.32 : 20,521.74 = 8,902.72 : x
  2. Step 2: Convert to fraction form
    14,873.32/20,521.74 = 8,902.72/x
  3. Step 3: Cross multiply
    14,873.32x = 20,521.74 × 8,902.72
  4. Step 4: Simplify right side
    14,873.32x = 182,699,305.13
  5. Step 5: Solve for x
    x = 182,699,305.13/14,873.32
  6. Step 6: Final answer
    x = 12,283.69

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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.