Home / 19,175.79-26,460.70-14,142.72

Finding the Fourth Proportional to 19,175.79, 26,460.70 and 14,142.72

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Solution

The fourth proportional to 19,175.79, 26,460.70 and 14,142.72 is: 19,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.79 : 26,460.70 = 14,142.72 : x
  2. Step 2: Convert to fraction form
    19,175.79/26,460.70 = 14,142.72/x
  3. Step 3: Cross multiply
    19,175.79x = 26,460.70 × 14,142.72
  4. Step 4: Simplify right side
    19,175.79x = 374,226,271.10
  5. Step 5: Solve for x
    x = 374,226,271.10/19,175.79
  6. Step 6: Final answer
    x = 19,515.56

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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.