Home / 14,210.48-21,286.56-7,970.24

Finding the Fourth Proportional to 14,210.48, 21,286.56 and 7,970.24

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Solution

The fourth proportional to 14,210.48, 21,286.56 and 7,970.24 is: 11,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.48 : 21,286.56 = 7,970.24 : x
  2. Step 2: Convert to fraction form
    14,210.48/21,286.56 = 7,970.24/x
  3. Step 3: Cross multiply
    14,210.48x = 21,286.56 × 7,970.24
  4. Step 4: Simplify right side
    14,210.48x = 169,658,991.97
  5. Step 5: Solve for x
    x = 169,658,991.97/14,210.48
  6. Step 6: Final answer
    x = 11,939.01

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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.