Home / 21,039.03-31,549.59-9,344.25

Finding the Fourth Proportional to 21,039.03, 31,549.59 and 9,344.25

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Solution

The fourth proportional to 21,039.03, 31,549.59 and 9,344.25 is: 14,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039.03 : 31,549.59 = 9,344.25 : x
  2. Step 2: Convert to fraction form
    21,039.03/31,549.59 = 9,344.25/x
  3. Step 3: Cross multiply
    21,039.03x = 31,549.59 × 9,344.25
  4. Step 4: Simplify right side
    21,039.03x = 294,807,256.36
  5. Step 5: Solve for x
    x = 294,807,256.36/21,039.03
  6. Step 6: Final answer
    x = 14,012.40

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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.