Home / 13,585.56-18,747.95-7,617.27

Finding the Fourth Proportional to 13,585.56, 18,747.95 and 7,617.27

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Solution

The fourth proportional to 13,585.56, 18,747.95 and 7,617.27 is: 10,511.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.56 : 18,747.95 = 7,617.27 : x
  2. Step 2: Convert to fraction form
    13,585.56/18,747.95 = 7,617.27/x
  3. Step 3: Cross multiply
    13,585.56x = 18,747.95 × 7,617.27
  4. Step 4: Simplify right side
    13,585.56x = 142,808,197.10
  5. Step 5: Solve for x
    x = 142,808,197.10/13,585.56
  6. Step 6: Final answer
    x = 10,511.76

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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.