Home / 21,632.70-32,461.77-9,151.86

Finding the Fourth Proportional to 21,632.70, 32,461.77 and 9,151.86

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Solution

The fourth proportional to 21,632.70, 32,461.77 and 9,151.86 is: 13,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.70 : 32,461.77 = 9,151.86 : x
  2. Step 2: Convert to fraction form
    21,632.70/32,461.77 = 9,151.86/x
  3. Step 3: Cross multiply
    21,632.70x = 32,461.77 × 9,151.86
  4. Step 4: Simplify right side
    21,632.70x = 297,085,574.39
  5. Step 5: Solve for x
    x = 297,085,574.39/21,632.70
  6. Step 6: Final answer
    x = 13,733.17

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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.