Home / 10,428.62-14,392.53-5,953.05

Finding the Fourth Proportional to 10,428.62, 14,392.53 and 5,953.05

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Solution

The fourth proportional to 10,428.62, 14,392.53 and 5,953.05 is: 8,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.62 : 14,392.53 = 5,953.05 : x
  2. Step 2: Convert to fraction form
    10,428.62/14,392.53 = 5,953.05/x
  3. Step 3: Cross multiply
    10,428.62x = 14,392.53 × 5,953.05
  4. Step 4: Simplify right side
    10,428.62x = 85,679,395.93
  5. Step 5: Solve for x
    x = 85,679,395.93/10,428.62
  6. Step 6: Final answer
    x = 8,215.79

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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.