Home / 10,528.87-14,529.85-5,813.19

Finding the Fourth Proportional to 10,528.87, 14,529.85 and 5,813.19

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Solution

The fourth proportional to 10,528.87, 14,529.85 and 5,813.19 is: 8,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.87 : 14,529.85 = 5,813.19 : x
  2. Step 2: Convert to fraction form
    10,528.87/14,529.85 = 5,813.19/x
  3. Step 3: Cross multiply
    10,528.87x = 14,529.85 × 5,813.19
  4. Step 4: Simplify right side
    10,528.87x = 84,464,749.66
  5. Step 5: Solve for x
    x = 84,464,749.66/10,528.87
  6. Step 6: Final answer
    x = 8,022.20

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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.