Home / 12,653.46-17,462.02-6,988.18

Finding the Fourth Proportional to 12,653.46, 17,462.02 and 6,988.18

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Solution

The fourth proportional to 12,653.46, 17,462.02 and 6,988.18 is: 9,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.46 : 17,462.02 = 6,988.18 : x
  2. Step 2: Convert to fraction form
    12,653.46/17,462.02 = 6,988.18/x
  3. Step 3: Cross multiply
    12,653.46x = 17,462.02 × 6,988.18
  4. Step 4: Simplify right side
    12,653.46x = 122,027,738.92
  5. Step 5: Solve for x
    x = 122,027,738.92/12,653.46
  6. Step 6: Final answer
    x = 9,643.82

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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.