Home / 10,887.24-15,018.96-8,492.88

Finding the Fourth Proportional to 10,887.24, 15,018.96 and 8,492.88

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Solution

The fourth proportional to 10,887.24, 15,018.96 and 8,492.88 is: 11,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.24 : 15,018.96 = 8,492.88 : x
  2. Step 2: Convert to fraction form
    10,887.24/15,018.96 = 8,492.88/x
  3. Step 3: Cross multiply
    10,887.24x = 15,018.96 × 8,492.88
  4. Step 4: Simplify right side
    10,887.24x = 127,554,225.00
  5. Step 5: Solve for x
    x = 127,554,225.00/10,887.24
  6. Step 6: Final answer
    x = 11,715.94

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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.