Home / 17,472.60-26,173.95-12,769.34

Finding the Fourth Proportional to 17,472.60, 26,173.95 and 12,769.34

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Solution

The fourth proportional to 17,472.60, 26,173.95 and 12,769.34 is: 19,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.60 : 26,173.95 = 12,769.34 : x
  2. Step 2: Convert to fraction form
    17,472.60/26,173.95 = 12,769.34/x
  3. Step 3: Cross multiply
    17,472.60x = 26,173.95 × 12,769.34
  4. Step 4: Simplify right side
    17,472.60x = 334,223,935.82
  5. Step 5: Solve for x
    x = 334,223,935.82/17,472.60
  6. Step 6: Final answer
    x = 19,128.46

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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.