Home / 10,430.89-14,394.44-6,450.95

Finding the Fourth Proportional to 10,430.89, 14,394.44 and 6,450.95

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Solution

The fourth proportional to 10,430.89, 14,394.44 and 6,450.95 is: 8,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.89 : 14,394.44 = 6,450.95 : x
  2. Step 2: Convert to fraction form
    10,430.89/14,394.44 = 6,450.95/x
  3. Step 3: Cross multiply
    10,430.89x = 14,394.44 × 6,450.95
  4. Step 4: Simplify right side
    10,430.89x = 92,857,864.83
  5. Step 5: Solve for x
    x = 92,857,864.83/10,430.89
  6. Step 6: Final answer
    x = 8,902.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.