Home / 14,291.37-21,400.13-9,862.70

Finding the Fourth Proportional to 14,291.37, 21,400.13 and 9,862.70

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Solution

The fourth proportional to 14,291.37, 21,400.13 and 9,862.70 is: 14,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.37 : 21,400.13 = 9,862.70 : x
  2. Step 2: Convert to fraction form
    14,291.37/21,400.13 = 9,862.70/x
  3. Step 3: Cross multiply
    14,291.37x = 21,400.13 × 9,862.70
  4. Step 4: Simplify right side
    14,291.37x = 211,062,979.81
  5. Step 5: Solve for x
    x = 211,062,979.81/14,291.37
  6. Step 6: Final answer
    x = 14,768.56

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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.