Home / 10,328.45-15,492.71-4,089.94

Finding the Fourth Proportional to 10,328.45, 15,492.71 and 4,089.94

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Solution

The fourth proportional to 10,328.45, 15,492.71 and 4,089.94 is: 6,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.45 : 15,492.71 = 4,089.94 : x
  2. Step 2: Convert to fraction form
    10,328.45/15,492.71 = 4,089.94/x
  3. Step 3: Cross multiply
    10,328.45x = 15,492.71 × 4,089.94
  4. Step 4: Simplify right side
    10,328.45x = 63,364,156.42
  5. Step 5: Solve for x
    x = 63,364,156.42/10,328.45
  6. Step 6: Final answer
    x = 6,134.91

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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.