Home / 19,661.49-29,496.89-8,570.16

Finding the Fourth Proportional to 19,661.49, 29,496.89 and 8,570.16

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Solution

The fourth proportional to 19,661.49, 29,496.89 and 8,570.16 is: 12,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.49 : 29,496.89 = 8,570.16 : x
  2. Step 2: Convert to fraction form
    19,661.49/29,496.89 = 8,570.16/x
  3. Step 3: Cross multiply
    19,661.49x = 29,496.89 × 8,570.16
  4. Step 4: Simplify right side
    19,661.49x = 252,793,088.23
  5. Step 5: Solve for x
    x = 252,793,088.23/19,661.49
  6. Step 6: Final answer
    x = 12,857.27

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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.