Home / 10,450.56-14,416.32-6,470.40

Finding the Fourth Proportional to 10,450.56, 14,416.32 and 6,470.40

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Solution

The fourth proportional to 10,450.56, 14,416.32 and 6,470.40 is: 8,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.56 : 14,416.32 = 6,470.40 : x
  2. Step 2: Convert to fraction form
    10,450.56/14,416.32 = 6,470.40/x
  3. Step 3: Cross multiply
    10,450.56x = 14,416.32 × 6,470.40
  4. Step 4: Simplify right side
    10,450.56x = 93,279,356.93
  5. Step 5: Solve for x
    x = 93,279,356.93/10,450.56
  6. Step 6: Final answer
    x = 8,925.78

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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.