Home / 12,492.64-17,210.57-8,708.93

Finding the Fourth Proportional to 12,492.64, 17,210.57 and 8,708.93

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Solution

The fourth proportional to 12,492.64, 17,210.57 and 8,708.93 is: 11,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.64 : 17,210.57 = 8,708.93 : x
  2. Step 2: Convert to fraction form
    12,492.64/17,210.57 = 8,708.93/x
  3. Step 3: Cross multiply
    12,492.64x = 17,210.57 × 8,708.93
  4. Step 4: Simplify right side
    12,492.64x = 149,885,649.39
  5. Step 5: Solve for x
    x = 149,885,649.39/12,492.64
  6. Step 6: Final answer
    x = 11,997.92

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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.