Home / 19,623.12-29,430.57-6,472.41

Finding the Fourth Proportional to 19,623.12, 29,430.57 and 6,472.41

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Solution

The fourth proportional to 19,623.12, 29,430.57 and 6,472.41 is: 9,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.12 : 29,430.57 = 6,472.41 : x
  2. Step 2: Convert to fraction form
    19,623.12/29,430.57 = 6,472.41/x
  3. Step 3: Cross multiply
    19,623.12x = 29,430.57 × 6,472.41
  4. Step 4: Simplify right side
    19,623.12x = 190,486,740.42
  5. Step 5: Solve for x
    x = 190,486,740.42/19,623.12
  6. Step 6: Final answer
    x = 9,707.26

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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.