Home / 12,528.30-17,265.70-10,277.05

Finding the Fourth Proportional to 12,528.30, 17,265.70 and 10,277.05

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Solution

The fourth proportional to 12,528.30, 17,265.70 and 10,277.05 is: 14,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.30 : 17,265.70 = 10,277.05 : x
  2. Step 2: Convert to fraction form
    12,528.30/17,265.70 = 10,277.05/x
  3. Step 3: Cross multiply
    12,528.30x = 17,265.70 × 10,277.05
  4. Step 4: Simplify right side
    12,528.30x = 177,440,462.19
  5. Step 5: Solve for x
    x = 177,440,462.19/12,528.30
  6. Step 6: Final answer
    x = 14,163.17

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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.