Home / 19,707.30-29,588.63-18,814.61

Finding the Fourth Proportional to 19,707.30, 29,588.63 and 18,814.61

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Solution

The fourth proportional to 19,707.30, 29,588.63 and 18,814.61 is: 28,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.30 : 29,588.63 = 18,814.61 : x
  2. Step 2: Convert to fraction form
    19,707.30/29,588.63 = 18,814.61/x
  3. Step 3: Cross multiply
    19,707.30x = 29,588.63 × 18,814.61
  4. Step 4: Simplify right side
    19,707.30x = 556,698,513.78
  5. Step 5: Solve for x
    x = 556,698,513.78/19,707.30
  6. Step 6: Final answer
    x = 28,248.34

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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.