Home / 18,364.02-25,341.84-9,980.52

Finding the Fourth Proportional to 18,364.02, 25,341.84 and 9,980.52

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Solution

The fourth proportional to 18,364.02, 25,341.84 and 9,980.52 is: 13,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.02 : 25,341.84 = 9,980.52 : x
  2. Step 2: Convert to fraction form
    18,364.02/25,341.84 = 9,980.52/x
  3. Step 3: Cross multiply
    18,364.02x = 25,341.84 × 9,980.52
  4. Step 4: Simplify right side
    18,364.02x = 252,924,740.96
  5. Step 5: Solve for x
    x = 252,924,740.96/18,364.02
  6. Step 6: Final answer
    x = 13,772.84

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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.