Home / 10,445.60-15,668.40-2,654.40

Finding the Fourth Proportional to 10,445.60, 15,668.40 and 2,654.40

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Solution

The fourth proportional to 10,445.60, 15,668.40 and 2,654.40 is: 3,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.60 : 15,668.40 = 2,654.40 : x
  2. Step 2: Convert to fraction form
    10,445.60/15,668.40 = 2,654.40/x
  3. Step 3: Cross multiply
    10,445.60x = 15,668.40 × 2,654.40
  4. Step 4: Simplify right side
    10,445.60x = 41,590,200.96
  5. Step 5: Solve for x
    x = 41,590,200.96/10,445.60
  6. Step 6: Final answer
    x = 3,981.60

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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.