Home / 14,218.47-21,322.93-4,728.60

Finding the Fourth Proportional to 14,218.47, 21,322.93 and 4,728.60

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Solution

The fourth proportional to 14,218.47, 21,322.93 and 4,728.60 is: 7,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.47 : 21,322.93 = 4,728.60 : x
  2. Step 2: Convert to fraction form
    14,218.47/21,322.93 = 4,728.60/x
  3. Step 3: Cross multiply
    14,218.47x = 21,322.93 × 4,728.60
  4. Step 4: Simplify right side
    14,218.47x = 100,827,606.80
  5. Step 5: Solve for x
    x = 100,827,606.80/14,218.47
  6. Step 6: Final answer
    x = 7,091.31

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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.