Home / 21,752.54-30,009.65-14,196.25

Finding the Fourth Proportional to 21,752.54, 30,009.65 and 14,196.25

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Solution

The fourth proportional to 21,752.54, 30,009.65 and 14,196.25 is: 19,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.54 : 30,009.65 = 14,196.25 : x
  2. Step 2: Convert to fraction form
    21,752.54/30,009.65 = 14,196.25/x
  3. Step 3: Cross multiply
    21,752.54x = 30,009.65 × 14,196.25
  4. Step 4: Simplify right side
    21,752.54x = 426,024,493.81
  5. Step 5: Solve for x
    x = 426,024,493.81/21,752.54
  6. Step 6: Final answer
    x = 19,585.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.