Home / 21,066.98-29,084.10-14,362.45

Finding the Fourth Proportional to 21,066.98, 29,084.10 and 14,362.45

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Solution

The fourth proportional to 21,066.98, 29,084.10 and 14,362.45 is: 19,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.98 : 29,084.10 = 14,362.45 : x
  2. Step 2: Convert to fraction form
    21,066.98/29,084.10 = 14,362.45/x
  3. Step 3: Cross multiply
    21,066.98x = 29,084.10 × 14,362.45
  4. Step 4: Simplify right side
    21,066.98x = 417,719,049.86
  5. Step 5: Solve for x
    x = 417,719,049.86/21,066.98
  6. Step 6: Final answer
    x = 19,828.15

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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.