Home / 21,504.15-29,674.08-12,070.89

Finding the Fourth Proportional to 21,504.15, 29,674.08 and 12,070.89

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Solution

The fourth proportional to 21,504.15, 29,674.08 and 12,070.89 is: 16,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.15 : 29,674.08 = 12,070.89 : x
  2. Step 2: Convert to fraction form
    21,504.15/29,674.08 = 12,070.89/x
  3. Step 3: Cross multiply
    21,504.15x = 29,674.08 × 12,070.89
  4. Step 4: Simplify right side
    21,504.15x = 358,192,555.53
  5. Step 5: Solve for x
    x = 358,192,555.53/21,504.15
  6. Step 6: Final answer
    x = 16,656.90

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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.