Home / 19,461.72-26,863.74-13,501.29

Finding the Fourth Proportional to 19,461.72, 26,863.74 and 13,501.29

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Solution

The fourth proportional to 19,461.72, 26,863.74 and 13,501.29 is: 18,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.72 : 26,863.74 = 13,501.29 : x
  2. Step 2: Convert to fraction form
    19,461.72/26,863.74 = 13,501.29/x
  3. Step 3: Cross multiply
    19,461.72x = 26,863.74 × 13,501.29
  4. Step 4: Simplify right side
    19,461.72x = 362,695,144.22
  5. Step 5: Solve for x
    x = 362,695,144.22/19,461.72
  6. Step 6: Final answer
    x = 18,636.34

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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.