Home / 9,895.43-13,657.23-5,646.48

Finding the Fourth Proportional to 9,895.43, 13,657.23 and 5,646.48

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Solution

The fourth proportional to 9,895.43, 13,657.23 and 5,646.48 is: 7,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.43 : 13,657.23 = 5,646.48 : x
  2. Step 2: Convert to fraction form
    9,895.43/13,657.23 = 5,646.48/x
  3. Step 3: Cross multiply
    9,895.43x = 13,657.23 × 5,646.48
  4. Step 4: Simplify right side
    9,895.43x = 77,115,276.05
  5. Step 5: Solve for x
    x = 77,115,276.05/9,895.43
  6. Step 6: Final answer
    x = 7,793.02

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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.