Home / 14,218.71-21,318.93-5,904.47

Finding the Fourth Proportional to 14,218.71, 21,318.93 and 5,904.47

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Solution

The fourth proportional to 14,218.71, 21,318.93 and 5,904.47 is: 8,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.71 : 21,318.93 = 5,904.47 : x
  2. Step 2: Convert to fraction form
    14,218.71/21,318.93 = 5,904.47/x
  3. Step 3: Cross multiply
    14,218.71x = 21,318.93 × 5,904.47
  4. Step 4: Simplify right side
    14,218.71x = 125,876,876.02
  5. Step 5: Solve for x
    x = 125,876,876.02/14,218.71
  6. Step 6: Final answer
    x = 8,852.90

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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.