Home / 19,606.19-29,409.28-7,123.88

Finding the Fourth Proportional to 19,606.19, 29,409.28 and 7,123.88

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Solution

The fourth proportional to 19,606.19, 29,409.28 and 7,123.88 is: 10,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.19 : 29,409.28 = 7,123.88 : x
  2. Step 2: Convert to fraction form
    19,606.19/29,409.28 = 7,123.88/x
  3. Step 3: Cross multiply
    19,606.19x = 29,409.28 × 7,123.88
  4. Step 4: Simplify right side
    19,606.19x = 209,508,237.32
  5. Step 5: Solve for x
    x = 209,508,237.32/19,606.19
  6. Step 6: Final answer
    x = 10,685.82

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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.