Home / 10,133.28-13,981.86-6,156.18

Finding the Fourth Proportional to 10,133.28, 13,981.86 and 6,156.18

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Solution

The fourth proportional to 10,133.28, 13,981.86 and 6,156.18 is: 8,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.28 : 13,981.86 = 6,156.18 : x
  2. Step 2: Convert to fraction form
    10,133.28/13,981.86 = 6,156.18/x
  3. Step 3: Cross multiply
    10,133.28x = 13,981.86 × 6,156.18
  4. Step 4: Simplify right side
    10,133.28x = 86,074,846.89
  5. Step 5: Solve for x
    x = 86,074,846.89/10,133.28
  6. Step 6: Final answer
    x = 8,494.27

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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.