Home / 14,157.30-21,211.65-9,224.40

Finding the Fourth Proportional to 14,157.30, 21,211.65 and 9,224.40

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Solution

The fourth proportional to 14,157.30, 21,211.65 and 9,224.40 is: 13,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.30 : 21,211.65 = 9,224.40 : x
  2. Step 2: Convert to fraction form
    14,157.30/21,211.65 = 9,224.40/x
  3. Step 3: Cross multiply
    14,157.30x = 21,211.65 × 9,224.40
  4. Step 4: Simplify right side
    14,157.30x = 195,664,744.26
  5. Step 5: Solve for x
    x = 195,664,744.26/14,157.30
  6. Step 6: Final answer
    x = 13,820.77

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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.