Home / 16,885.08-23,303.70-12,686.04

Finding the Fourth Proportional to 16,885.08, 23,303.70 and 12,686.04

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Solution

The fourth proportional to 16,885.08, 23,303.70 and 12,686.04 is: 17,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.08 : 23,303.70 = 12,686.04 : x
  2. Step 2: Convert to fraction form
    16,885.08/23,303.70 = 12,686.04/x
  3. Step 3: Cross multiply
    16,885.08x = 23,303.70 × 12,686.04
  4. Step 4: Simplify right side
    16,885.08x = 295,631,670.35
  5. Step 5: Solve for x
    x = 295,631,670.35/16,885.08
  6. Step 6: Final answer
    x = 17,508.46

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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.