Home / 19,572.30-29,358.09-6,419.34

Finding the Fourth Proportional to 19,572.30, 29,358.09 and 6,419.34

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Solution

The fourth proportional to 19,572.30, 29,358.09 and 6,419.34 is: 9,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.30 : 29,358.09 = 6,419.34 : x
  2. Step 2: Convert to fraction form
    19,572.30/29,358.09 = 6,419.34/x
  3. Step 3: Cross multiply
    19,572.30x = 29,358.09 × 6,419.34
  4. Step 4: Simplify right side
    19,572.30x = 188,459,561.46
  5. Step 5: Solve for x
    x = 188,459,561.46/19,572.30
  6. Step 6: Final answer
    x = 9,628.89

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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.