Home / 10,330.58-14,272.90-7,200.74

Finding the Fourth Proportional to 10,330.58, 14,272.90 and 7,200.74

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Solution

The fourth proportional to 10,330.58, 14,272.90 and 7,200.74 is: 9,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.58 : 14,272.90 = 7,200.74 : x
  2. Step 2: Convert to fraction form
    10,330.58/14,272.90 = 7,200.74/x
  3. Step 3: Cross multiply
    10,330.58x = 14,272.90 × 7,200.74
  4. Step 4: Simplify right side
    10,330.58x = 102,775,441.95
  5. Step 5: Solve for x
    x = 102,775,441.95/10,330.58
  6. Step 6: Final answer
    x = 9,948.66

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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.