Home / 10,694.12-14,758.98-6,718.28

Finding the Fourth Proportional to 10,694.12, 14,758.98 and 6,718.28

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Solution

The fourth proportional to 10,694.12, 14,758.98 and 6,718.28 is: 9,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.12 : 14,758.98 = 6,718.28 : x
  2. Step 2: Convert to fraction form
    10,694.12/14,758.98 = 6,718.28/x
  3. Step 3: Cross multiply
    10,694.12x = 14,758.98 × 6,718.28
  4. Step 4: Simplify right side
    10,694.12x = 99,154,960.15
  5. Step 5: Solve for x
    x = 99,154,960.15/10,694.12
  6. Step 6: Final answer
    x = 9,271.91

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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.