Home / 10,225.28-14,106.48-6,445.46

Finding the Fourth Proportional to 10,225.28, 14,106.48 and 6,445.46

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Solution

The fourth proportional to 10,225.28, 14,106.48 and 6,445.46 is: 8,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.28 : 14,106.48 = 6,445.46 : x
  2. Step 2: Convert to fraction form
    10,225.28/14,106.48 = 6,445.46/x
  3. Step 3: Cross multiply
    10,225.28x = 14,106.48 × 6,445.46
  4. Step 4: Simplify right side
    10,225.28x = 90,922,752.58
  5. Step 5: Solve for x
    x = 90,922,752.58/10,225.28
  6. Step 6: Final answer
    x = 8,891.96

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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.