Home / 15,629.64-23,430.90-14,759.76

Finding the Fourth Proportional to 15,629.64, 23,430.90 and 14,759.76

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Solution

The fourth proportional to 15,629.64, 23,430.90 and 14,759.76 is: 22,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.64 : 23,430.90 = 14,759.76 : x
  2. Step 2: Convert to fraction form
    15,629.64/23,430.90 = 14,759.76/x
  3. Step 3: Cross multiply
    15,629.64x = 23,430.90 × 14,759.76
  4. Step 4: Simplify right side
    15,629.64x = 345,834,460.58
  5. Step 5: Solve for x
    x = 345,834,460.58/15,629.64
  6. Step 6: Final answer
    x = 22,126.83

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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.