Home / 10,528.86-14,529.12-5,813.28

Finding the Fourth Proportional to 10,528.86, 14,529.12 and 5,813.28

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Solution

The fourth proportional to 10,528.86, 14,529.12 and 5,813.28 is: 8,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.86 : 14,529.12 = 5,813.28 : x
  2. Step 2: Convert to fraction form
    10,528.86/14,529.12 = 5,813.28/x
  3. Step 3: Cross multiply
    10,528.86x = 14,529.12 × 5,813.28
  4. Step 4: Simplify right side
    10,528.86x = 84,461,842.71
  5. Step 5: Solve for x
    x = 84,461,842.71/10,528.86
  6. Step 6: Final answer
    x = 8,021.94

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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.