Home / 13,825.56-19,073.24-9,347.72

Finding the Fourth Proportional to 13,825.56, 19,073.24 and 9,347.72

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Solution

The fourth proportional to 13,825.56, 19,073.24 and 9,347.72 is: 12,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.56 : 19,073.24 = 9,347.72 : x
  2. Step 2: Convert to fraction form
    13,825.56/19,073.24 = 9,347.72/x
  3. Step 3: Cross multiply
    13,825.56x = 19,073.24 × 9,347.72
  4. Step 4: Simplify right side
    13,825.56x = 178,291,307.01
  5. Step 5: Solve for x
    x = 178,291,307.01/13,825.56
  6. Step 6: Final answer
    x = 12,895.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.