Home / 14,390.40-21,585.64-4,530.48

Finding the Fourth Proportional to 14,390.40, 21,585.64 and 4,530.48

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Solution

The fourth proportional to 14,390.40, 21,585.64 and 4,530.48 is: 6,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.40 : 21,585.64 = 4,530.48 : x
  2. Step 2: Convert to fraction form
    14,390.40/21,585.64 = 4,530.48/x
  3. Step 3: Cross multiply
    14,390.40x = 21,585.64 × 4,530.48
  4. Step 4: Simplify right side
    14,390.40x = 97,793,310.31
  5. Step 5: Solve for x
    x = 97,793,310.31/14,390.40
  6. Step 6: Final answer
    x = 6,795.73

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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.