Home / 14,157.22-21,215.68-10,430.14

Finding the Fourth Proportional to 14,157.22, 21,215.68 and 10,430.14

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Solution

The fourth proportional to 14,157.22, 21,215.68 and 10,430.14 is: 15,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.22 : 21,215.68 = 10,430.14 : x
  2. Step 2: Convert to fraction form
    14,157.22/21,215.68 = 10,430.14/x
  3. Step 3: Cross multiply
    14,157.22x = 21,215.68 × 10,430.14
  4. Step 4: Simplify right side
    14,157.22x = 221,282,512.60
  5. Step 5: Solve for x
    x = 221,282,512.60/14,157.22
  6. Step 6: Final answer
    x = 15,630.36

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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.