Home / 19,344.08-26,702.26-11,386.64

Finding the Fourth Proportional to 19,344.08, 26,702.26 and 11,386.64

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Solution

The fourth proportional to 19,344.08, 26,702.26 and 11,386.64 is: 15,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.08 : 26,702.26 = 11,386.64 : x
  2. Step 2: Convert to fraction form
    19,344.08/26,702.26 = 11,386.64/x
  3. Step 3: Cross multiply
    19,344.08x = 26,702.26 × 11,386.64
  4. Step 4: Simplify right side
    19,344.08x = 304,049,021.81
  5. Step 5: Solve for x
    x = 304,049,021.81/19,344.08
  6. Step 6: Final answer
    x = 15,717.94

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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.