Home / 13,285.63-18,335.00-7,317.29

Finding the Fourth Proportional to 13,285.63, 18,335.00 and 7,317.29

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Solution

The fourth proportional to 13,285.63, 18,335.00 and 7,317.29 is: 10,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.63 : 18,335.00 = 7,317.29 : x
  2. Step 2: Convert to fraction form
    13,285.63/18,335.00 = 7,317.29/x
  3. Step 3: Cross multiply
    13,285.63x = 18,335.00 × 7,317.29
  4. Step 4: Simplify right side
    13,285.63x = 134,162,521.40
  5. Step 5: Solve for x
    x = 134,162,521.40/13,285.63
  6. Step 6: Final answer
    x = 10,098.32

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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.