Home / 15,582.54-21,503.88-8,508.96

Finding the Fourth Proportional to 15,582.54, 21,503.88 and 8,508.96

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Solution

The fourth proportional to 15,582.54, 21,503.88 and 8,508.96 is: 11,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.54 : 21,503.88 = 8,508.96 : x
  2. Step 2: Convert to fraction form
    15,582.54/21,503.88 = 8,508.96/x
  3. Step 3: Cross multiply
    15,582.54x = 21,503.88 × 8,508.96
  4. Step 4: Simplify right side
    15,582.54x = 182,975,654.76
  5. Step 5: Solve for x
    x = 182,975,654.76/15,582.54
  6. Step 6: Final answer
    x = 11,742.35

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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.