Home / 21,597.09-32,387.07-10,500.49

Finding the Fourth Proportional to 21,597.09, 32,387.07 and 10,500.49

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Solution

The fourth proportional to 21,597.09, 32,387.07 and 10,500.49 is: 15,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.09 : 32,387.07 = 10,500.49 : x
  2. Step 2: Convert to fraction form
    21,597.09/32,387.07 = 10,500.49/x
  3. Step 3: Cross multiply
    21,597.09x = 32,387.07 × 10,500.49
  4. Step 4: Simplify right side
    21,597.09x = 340,080,104.66
  5. Step 5: Solve for x
    x = 340,080,104.66/21,597.09
  6. Step 6: Final answer
    x = 15,746.57

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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.