Home / 12,460.29-18,693.59-4,140.35

Finding the Fourth Proportional to 12,460.29, 18,693.59 and 4,140.35

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Solution

The fourth proportional to 12,460.29, 18,693.59 and 4,140.35 is: 6,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.29 : 18,693.59 = 4,140.35 : x
  2. Step 2: Convert to fraction form
    12,460.29/18,693.59 = 4,140.35/x
  3. Step 3: Cross multiply
    12,460.29x = 18,693.59 × 4,140.35
  4. Step 4: Simplify right side
    12,460.29x = 77,398,005.36
  5. Step 5: Solve for x
    x = 77,398,005.36/12,460.29
  6. Step 6: Final answer
    x = 6,211.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.