Home / 20,158.32-30,216.60-14,597.76

Finding the Fourth Proportional to 20,158.32, 30,216.60 and 14,597.76

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Solution

The fourth proportional to 20,158.32, 30,216.60 and 14,597.76 is: 21,881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.32 : 30,216.60 = 14,597.76 : x
  2. Step 2: Convert to fraction form
    20,158.32/30,216.60 = 14,597.76/x
  3. Step 3: Cross multiply
    20,158.32x = 30,216.60 × 14,597.76
  4. Step 4: Simplify right side
    20,158.32x = 441,094,674.82
  5. Step 5: Solve for x
    x = 441,094,674.82/20,158.32
  6. Step 6: Final answer
    x = 21,881.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.