Home / 19,617.09-29,429.15-7,154.61

Finding the Fourth Proportional to 19,617.09, 29,429.15 and 7,154.61

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Solution

The fourth proportional to 19,617.09, 29,429.15 and 7,154.61 is: 10,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.09 : 29,429.15 = 7,154.61 : x
  2. Step 2: Convert to fraction form
    19,617.09/29,429.15 = 7,154.61/x
  3. Step 3: Cross multiply
    19,617.09x = 29,429.15 × 7,154.61
  4. Step 4: Simplify right side
    19,617.09x = 210,554,055.11
  5. Step 5: Solve for x
    x = 210,554,055.11/19,617.09
  6. Step 6: Final answer
    x = 10,733.20

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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.