Home / 10,428.62-14,392.19-5,953.28

Finding the Fourth Proportional to 10,428.62, 14,392.19 and 5,953.28

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Solution

The fourth proportional to 10,428.62, 14,392.19 and 5,953.28 is: 8,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.62 : 14,392.19 = 5,953.28 : x
  2. Step 2: Convert to fraction form
    10,428.62/14,392.19 = 5,953.28/x
  3. Step 3: Cross multiply
    10,428.62x = 14,392.19 × 5,953.28
  4. Step 4: Simplify right side
    10,428.62x = 85,680,707.12
  5. Step 5: Solve for x
    x = 85,680,707.12/10,428.62
  6. Step 6: Final answer
    x = 8,215.92

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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.