Home / 19,758.30-29,642.91-10,999.35

Finding the Fourth Proportional to 19,758.30, 29,642.91 and 10,999.35

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Solution

The fourth proportional to 19,758.30, 29,642.91 and 10,999.35 is: 16,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.30 : 29,642.91 = 10,999.35 : x
  2. Step 2: Convert to fraction form
    19,758.30/29,642.91 = 10,999.35/x
  3. Step 3: Cross multiply
    19,758.30x = 29,642.91 × 10,999.35
  4. Step 4: Simplify right side
    19,758.30x = 326,052,742.11
  5. Step 5: Solve for x
    x = 326,052,742.11/19,758.30
  6. Step 6: Final answer
    x = 16,502.06

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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.