Home / 21,422.03-32,140.74-9,574.81

Finding the Fourth Proportional to 21,422.03, 32,140.74 and 9,574.81

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Solution

The fourth proportional to 21,422.03, 32,140.74 and 9,574.81 is: 14,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422.03 : 32,140.74 = 9,574.81 : x
  2. Step 2: Convert to fraction form
    21,422.03/32,140.74 = 9,574.81/x
  3. Step 3: Cross multiply
    21,422.03x = 32,140.74 × 9,574.81
  4. Step 4: Simplify right side
    21,422.03x = 307,741,366.99
  5. Step 5: Solve for x
    x = 307,741,366.99/21,422.03
  6. Step 6: Final answer
    x = 14,365.65

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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.