Home / 13,252.98-18,289.08-7,587.72

Finding the Fourth Proportional to 13,252.98, 18,289.08 and 7,587.72

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Solution

The fourth proportional to 13,252.98, 18,289.08 and 7,587.72 is: 10,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.98 : 18,289.08 = 7,587.72 : x
  2. Step 2: Convert to fraction form
    13,252.98/18,289.08 = 7,587.72/x
  3. Step 3: Cross multiply
    13,252.98x = 18,289.08 × 7,587.72
  4. Step 4: Simplify right side
    13,252.98x = 138,772,418.10
  5. Step 5: Solve for x
    x = 138,772,418.10/13,252.98
  6. Step 6: Final answer
    x = 10,471.04

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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.