Home / 21,048.04-31,581.78-9,368.92

Finding the Fourth Proportional to 21,048.04, 31,581.78 and 9,368.92

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Solution

The fourth proportional to 21,048.04, 31,581.78 and 9,368.92 is: 14,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.04 : 31,581.78 = 9,368.92 : x
  2. Step 2: Convert to fraction form
    21,048.04/31,581.78 = 9,368.92/x
  3. Step 3: Cross multiply
    21,048.04x = 31,581.78 × 9,368.92
  4. Step 4: Simplify right side
    21,048.04x = 295,887,170.28
  5. Step 5: Solve for x
    x = 295,887,170.28/21,048.04
  6. Step 6: Final answer
    x = 14,057.71

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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.