Home / 21,901.35-30,226.67-14,354.07

Finding the Fourth Proportional to 21,901.35, 30,226.67 and 14,354.07

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Solution

The fourth proportional to 21,901.35, 30,226.67 and 14,354.07 is: 19,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.35 : 30,226.67 = 14,354.07 : x
  2. Step 2: Convert to fraction form
    21,901.35/30,226.67 = 14,354.07/x
  3. Step 3: Cross multiply
    21,901.35x = 30,226.67 × 14,354.07
  4. Step 4: Simplify right side
    21,901.35x = 433,875,665.28
  5. Step 5: Solve for x
    x = 433,875,665.28/21,901.35
  6. Step 6: Final answer
    x = 19,810.45

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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.