Home / 10,012.59-13,816.23-5,535.21

Finding the Fourth Proportional to 10,012.59, 13,816.23 and 5,535.21

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Solution

The fourth proportional to 10,012.59, 13,816.23 and 5,535.21 is: 7,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.59 : 13,816.23 = 5,535.21 : x
  2. Step 2: Convert to fraction form
    10,012.59/13,816.23 = 5,535.21/x
  3. Step 3: Cross multiply
    10,012.59x = 13,816.23 × 5,535.21
  4. Step 4: Simplify right side
    10,012.59x = 76,475,734.46
  5. Step 5: Solve for x
    x = 76,475,734.46/10,012.59
  6. Step 6: Final answer
    x = 7,637.96

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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.