Home / 19,623.24-29,430.40-5,582.95

Finding the Fourth Proportional to 19,623.24, 29,430.40 and 5,582.95

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Solution

The fourth proportional to 19,623.24, 29,430.40 and 5,582.95 is: 8,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.24 : 29,430.40 = 5,582.95 : x
  2. Step 2: Convert to fraction form
    19,623.24/29,430.40 = 5,582.95/x
  3. Step 3: Cross multiply
    19,623.24x = 29,430.40 × 5,582.95
  4. Step 4: Simplify right side
    19,623.24x = 164,308,451.68
  5. Step 5: Solve for x
    x = 164,308,451.68/19,623.24
  6. Step 6: Final answer
    x = 8,373.16

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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.