Home / 12,263.31-18,293.16-11,853.32

Finding the Fourth Proportional to 12,263.31, 18,293.16 and 11,853.32

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Solution

The fourth proportional to 12,263.31, 18,293.16 and 11,853.32 is: 17,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.31 : 18,293.16 = 11,853.32 : x
  2. Step 2: Convert to fraction form
    12,263.31/18,293.16 = 11,853.32/x
  3. Step 3: Cross multiply
    12,263.31x = 18,293.16 × 11,853.32
  4. Step 4: Simplify right side
    12,263.31x = 216,834,574.29
  5. Step 5: Solve for x
    x = 216,834,574.29/12,263.31
  6. Step 6: Final answer
    x = 17,681.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.