Home / 10,623.47-15,934.79-2,832.21

Finding the Fourth Proportional to 10,623.47, 15,934.79 and 2,832.21

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Solution

The fourth proportional to 10,623.47, 15,934.79 and 2,832.21 is: 4,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.47 : 15,934.79 = 2,832.21 : x
  2. Step 2: Convert to fraction form
    10,623.47/15,934.79 = 2,832.21/x
  3. Step 3: Cross multiply
    10,623.47x = 15,934.79 × 2,832.21
  4. Step 4: Simplify right side
    10,623.47x = 45,130,678.67
  5. Step 5: Solve for x
    x = 45,130,678.67/10,623.47
  6. Step 6: Final answer
    x = 4,248.21

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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.