Home / 18,298.34-27,445.88-4,970.84

Finding the Fourth Proportional to 18,298.34, 27,445.88 and 4,970.84

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Solution

The fourth proportional to 18,298.34, 27,445.88 and 4,970.84 is: 7,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.34 : 27,445.88 = 4,970.84 : x
  2. Step 2: Convert to fraction form
    18,298.34/27,445.88 = 4,970.84/x
  3. Step 3: Cross multiply
    18,298.34x = 27,445.88 × 4,970.84
  4. Step 4: Simplify right side
    18,298.34x = 136,429,078.14
  5. Step 5: Solve for x
    x = 136,429,078.14/18,298.34
  6. Step 6: Final answer
    x = 7,455.82

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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.