Home / 10,689.12-14,752.92-6,212.52

Finding the Fourth Proportional to 10,689.12, 14,752.92 and 6,212.52

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Solution

The fourth proportional to 10,689.12, 14,752.92 and 6,212.52 is: 8,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.12 : 14,752.92 = 6,212.52 : x
  2. Step 2: Convert to fraction form
    10,689.12/14,752.92 = 6,212.52/x
  3. Step 3: Cross multiply
    10,689.12x = 14,752.92 × 6,212.52
  4. Step 4: Simplify right side
    10,689.12x = 91,652,810.56
  5. Step 5: Solve for x
    x = 91,652,810.56/10,689.12
  6. Step 6: Final answer
    x = 8,574.40

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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.