Home / 10,281.20-14,188.70-5,803.32

Finding the Fourth Proportional to 10,281.20, 14,188.70 and 5,803.32

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Solution

The fourth proportional to 10,281.20, 14,188.70 and 5,803.32 is: 8,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.20 : 14,188.70 = 5,803.32 : x
  2. Step 2: Convert to fraction form
    10,281.20/14,188.70 = 5,803.32/x
  3. Step 3: Cross multiply
    10,281.20x = 14,188.70 × 5,803.32
  4. Step 4: Simplify right side
    10,281.20x = 82,341,537.47
  5. Step 5: Solve for x
    x = 82,341,537.47/10,281.20
  6. Step 6: Final answer
    x = 8,008.95

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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.