Home / 15,814.08-23,714.16-8,416.78

Finding the Fourth Proportional to 15,814.08, 23,714.16 and 8,416.78

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Solution

The fourth proportional to 15,814.08, 23,714.16 and 8,416.78 is: 12,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.08 : 23,714.16 = 8,416.78 : x
  2. Step 2: Convert to fraction form
    15,814.08/23,714.16 = 8,416.78/x
  3. Step 3: Cross multiply
    15,814.08x = 23,714.16 × 8,416.78
  4. Step 4: Simplify right side
    15,814.08x = 199,596,776.76
  5. Step 5: Solve for x
    x = 199,596,776.76/15,814.08
  6. Step 6: Final answer
    x = 12,621.46

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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.