Home / 10,621.32-14,657.76-6,370.92

Finding the Fourth Proportional to 10,621.32, 14,657.76 and 6,370.92

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Solution

The fourth proportional to 10,621.32, 14,657.76 and 6,370.92 is: 8,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.32 : 14,657.76 = 6,370.92 : x
  2. Step 2: Convert to fraction form
    10,621.32/14,657.76 = 6,370.92/x
  3. Step 3: Cross multiply
    10,621.32x = 14,657.76 × 6,370.92
  4. Step 4: Simplify right side
    10,621.32x = 93,383,416.34
  5. Step 5: Solve for x
    x = 93,383,416.34/10,621.32
  6. Step 6: Final answer
    x = 8,792.07

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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.