Home / 9,899.40-14,849.58-5,513.55

Finding the Fourth Proportional to 9,899.40, 14,849.58 and 5,513.55

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Solution

The fourth proportional to 9,899.40, 14,849.58 and 5,513.55 is: 8,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.40 : 14,849.58 = 5,513.55 : x
  2. Step 2: Convert to fraction form
    9,899.40/14,849.58 = 5,513.55/x
  3. Step 3: Cross multiply
    9,899.40x = 14,849.58 × 5,513.55
  4. Step 4: Simplify right side
    9,899.40x = 81,873,901.81
  5. Step 5: Solve for x
    x = 81,873,901.81/9,899.40
  6. Step 6: Final answer
    x = 8,270.59

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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.