Home / 14,285.18-21,431.10-4,423.93

Finding the Fourth Proportional to 14,285.18, 21,431.10 and 4,423.93

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Solution

The fourth proportional to 14,285.18, 21,431.10 and 4,423.93 is: 6,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.18 : 21,431.10 = 4,423.93 : x
  2. Step 2: Convert to fraction form
    14,285.18/21,431.10 = 4,423.93/x
  3. Step 3: Cross multiply
    14,285.18x = 21,431.10 × 4,423.93
  4. Step 4: Simplify right side
    14,285.18x = 94,809,686.22
  5. Step 5: Solve for x
    x = 94,809,686.22/14,285.18
  6. Step 6: Final answer
    x = 6,636.93

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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.