Home / 16,878.10-23,288.10-9,800.74

Finding the Fourth Proportional to 16,878.10, 23,288.10 and 9,800.74

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Solution

The fourth proportional to 16,878.10, 23,288.10 and 9,800.74 is: 13,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.10 : 23,288.10 = 9,800.74 : x
  2. Step 2: Convert to fraction form
    16,878.10/23,288.10 = 9,800.74/x
  3. Step 3: Cross multiply
    16,878.10x = 23,288.10 × 9,800.74
  4. Step 4: Simplify right side
    16,878.10x = 228,240,613.19
  5. Step 5: Solve for x
    x = 228,240,613.19/16,878.10
  6. Step 6: Final answer
    x = 13,522.89

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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.