Home / 10,265.14-15,403.65-5,585.64

Finding the Fourth Proportional to 10,265.14, 15,403.65 and 5,585.64

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Solution

The fourth proportional to 10,265.14, 15,403.65 and 5,585.64 is: 8,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.14 : 15,403.65 = 5,585.64 : x
  2. Step 2: Convert to fraction form
    10,265.14/15,403.65 = 5,585.64/x
  3. Step 3: Cross multiply
    10,265.14x = 15,403.65 × 5,585.64
  4. Step 4: Simplify right side
    10,265.14x = 86,039,196.30
  5. Step 5: Solve for x
    x = 86,039,196.30/10,265.14
  6. Step 6: Final answer
    x = 8,381.69

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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.