Home / 10,621.76-14,657.16-6,145.82

Finding the Fourth Proportional to 10,621.76, 14,657.16 and 6,145.82

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Solution

The fourth proportional to 10,621.76, 14,657.16 and 6,145.82 is: 8,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.76 : 14,657.16 = 6,145.82 : x
  2. Step 2: Convert to fraction form
    10,621.76/14,657.16 = 6,145.82/x
  3. Step 3: Cross multiply
    10,621.76x = 14,657.16 × 6,145.82
  4. Step 4: Simplify right side
    10,621.76x = 90,080,267.07
  5. Step 5: Solve for x
    x = 90,080,267.07/10,621.76
  6. Step 6: Final answer
    x = 8,480.73

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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.