Home / 14,354.90-21,507.75-11,402.45

Finding the Fourth Proportional to 14,354.90, 21,507.75 and 11,402.45

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Solution

The fourth proportional to 14,354.90, 21,507.75 and 11,402.45 is: 17,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.90 : 21,507.75 = 11,402.45 : x
  2. Step 2: Convert to fraction form
    14,354.90/21,507.75 = 11,402.45/x
  3. Step 3: Cross multiply
    14,354.90x = 21,507.75 × 11,402.45
  4. Step 4: Simplify right side
    14,354.90x = 245,240,986.98
  5. Step 5: Solve for x
    x = 245,240,986.98/14,354.90
  6. Step 6: Final answer
    x = 17,084.13

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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.