Home / 12,957.29-17,837.85-12,362.19

Finding the Fourth Proportional to 12,957.29, 17,837.85 and 12,362.19

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Solution

The fourth proportional to 12,957.29, 17,837.85 and 12,362.19 is: 17,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.29 : 17,837.85 = 12,362.19 : x
  2. Step 2: Convert to fraction form
    12,957.29/17,837.85 = 12,362.19/x
  3. Step 3: Cross multiply
    12,957.29x = 17,837.85 × 12,362.19
  4. Step 4: Simplify right side
    12,957.29x = 220,514,937.25
  5. Step 5: Solve for x
    x = 220,514,937.25/12,957.29
  6. Step 6: Final answer
    x = 17,018.60

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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.