Home / 19,365.40-29,051.13-8,272.15

Finding the Fourth Proportional to 19,365.40, 29,051.13 and 8,272.15

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Solution

The fourth proportional to 19,365.40, 29,051.13 and 8,272.15 is: 12,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.40 : 29,051.13 = 8,272.15 : x
  2. Step 2: Convert to fraction form
    19,365.40/29,051.13 = 8,272.15/x
  3. Step 3: Cross multiply
    19,365.40x = 29,051.13 × 8,272.15
  4. Step 4: Simplify right side
    19,365.40x = 240,315,305.03
  5. Step 5: Solve for x
    x = 240,315,305.03/19,365.40
  6. Step 6: Final answer
    x = 12,409.52

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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.