Home / 21,341.80-32,012.78-9,641.32

Finding the Fourth Proportional to 21,341.80, 32,012.78 and 9,641.32

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Solution

The fourth proportional to 21,341.80, 32,012.78 and 9,641.32 is: 14,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.80 : 32,012.78 = 9,641.32 : x
  2. Step 2: Convert to fraction form
    21,341.80/32,012.78 = 9,641.32/x
  3. Step 3: Cross multiply
    21,341.80x = 32,012.78 × 9,641.32
  4. Step 4: Simplify right side
    21,341.80x = 308,645,456.07
  5. Step 5: Solve for x
    x = 308,645,456.07/21,341.80
  6. Step 6: Final answer
    x = 14,462.02

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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.