Home / 10,492.07-15,689.50-8,125.25

Finding the Fourth Proportional to 10,492.07, 15,689.50 and 8,125.25

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Solution

The fourth proportional to 10,492.07, 15,689.50 and 8,125.25 is: 12,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.07 : 15,689.50 = 8,125.25 : x
  2. Step 2: Convert to fraction form
    10,492.07/15,689.50 = 8,125.25/x
  3. Step 3: Cross multiply
    10,492.07x = 15,689.50 × 8,125.25
  4. Step 4: Simplify right side
    10,492.07x = 127,481,011.11
  5. Step 5: Solve for x
    x = 127,481,011.11/10,492.07
  6. Step 6: Final answer
    x = 12,150.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.