Home / 21,376.04-32,070.54-11,379.08

Finding the Fourth Proportional to 21,376.04, 32,070.54 and 11,379.08

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Solution

The fourth proportional to 21,376.04, 32,070.54 and 11,379.08 is: 17,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.04 : 32,070.54 = 11,379.08 : x
  2. Step 2: Convert to fraction form
    21,376.04/32,070.54 = 11,379.08/x
  3. Step 3: Cross multiply
    21,376.04x = 32,070.54 × 11,379.08
  4. Step 4: Simplify right side
    21,376.04x = 364,933,079.95
  5. Step 5: Solve for x
    x = 364,933,079.95/21,376.04
  6. Step 6: Final answer
    x = 17,072.07

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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.