Home / 10,455.49-14,428.61-5,675.46

Finding the Fourth Proportional to 10,455.49, 14,428.61 and 5,675.46

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Solution

The fourth proportional to 10,455.49, 14,428.61 and 5,675.46 is: 7,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.49 : 14,428.61 = 5,675.46 : x
  2. Step 2: Convert to fraction form
    10,455.49/14,428.61 = 5,675.46/x
  3. Step 3: Cross multiply
    10,455.49x = 14,428.61 × 5,675.46
  4. Step 4: Simplify right side
    10,455.49x = 81,888,998.91
  5. Step 5: Solve for x
    x = 81,888,998.91/10,455.49
  6. Step 6: Final answer
    x = 7,832.15

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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.