Home / 14,430.54-21,648.75-5,545.50

Finding the Fourth Proportional to 14,430.54, 21,648.75 and 5,545.50

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Solution

The fourth proportional to 14,430.54, 21,648.75 and 5,545.50 is: 8,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.54 : 21,648.75 = 5,545.50 : x
  2. Step 2: Convert to fraction form
    14,430.54/21,648.75 = 5,545.50/x
  3. Step 3: Cross multiply
    14,430.54x = 21,648.75 × 5,545.50
  4. Step 4: Simplify right side
    14,430.54x = 120,053,143.13
  5. Step 5: Solve for x
    x = 120,053,143.13/14,430.54
  6. Step 6: Final answer
    x = 8,319.38

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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.