Home / 14,515.56-21,736.40-9,570.20

Finding the Fourth Proportional to 14,515.56, 21,736.40 and 9,570.20

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Solution

The fourth proportional to 14,515.56, 21,736.40 and 9,570.20 is: 14,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.56 : 21,736.40 = 9,570.20 : x
  2. Step 2: Convert to fraction form
    14,515.56/21,736.40 = 9,570.20/x
  3. Step 3: Cross multiply
    14,515.56x = 21,736.40 × 9,570.20
  4. Step 4: Simplify right side
    14,515.56x = 208,021,538.75
  5. Step 5: Solve for x
    x = 208,021,538.75/14,515.56
  6. Step 6: Final answer
    x = 14,330.93

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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.