Home / 12,359.23-18,536.93-4,039.19

Finding the Fourth Proportional to 12,359.23, 18,536.93 and 4,039.19

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Solution

The fourth proportional to 12,359.23, 18,536.93 and 4,039.19 is: 6,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.23 : 18,536.93 = 4,039.19 : x
  2. Step 2: Convert to fraction form
    12,359.23/18,536.93 = 4,039.19/x
  3. Step 3: Cross multiply
    12,359.23x = 18,536.93 × 4,039.19
  4. Step 4: Simplify right side
    12,359.23x = 74,874,182.29
  5. Step 5: Solve for x
    x = 74,874,182.29/12,359.23
  6. Step 6: Final answer
    x = 6,058.16

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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.