Home / 15,632.55-21,572.77-8,462.43

Finding the Fourth Proportional to 15,632.55, 21,572.77 and 8,462.43

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Solution

The fourth proportional to 15,632.55, 21,572.77 and 8,462.43 is: 11,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.55 : 21,572.77 = 8,462.43 : x
  2. Step 2: Convert to fraction form
    15,632.55/21,572.77 = 8,462.43/x
  3. Step 3: Cross multiply
    15,632.55x = 21,572.77 × 8,462.43
  4. Step 4: Simplify right side
    15,632.55x = 182,558,056.03
  5. Step 5: Solve for x
    x = 182,558,056.03/15,632.55
  6. Step 6: Final answer
    x = 11,678.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.