Home / 10,431.96-14,396.28-5,715.93

Finding the Fourth Proportional to 10,431.96, 14,396.28 and 5,715.93

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Solution

The fourth proportional to 10,431.96, 14,396.28 and 5,715.93 is: 7,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.96 : 14,396.28 = 5,715.93 : x
  2. Step 2: Convert to fraction form
    10,431.96/14,396.28 = 5,715.93/x
  3. Step 3: Cross multiply
    10,431.96x = 14,396.28 × 5,715.93
  4. Step 4: Simplify right side
    10,431.96x = 82,288,128.74
  5. Step 5: Solve for x
    x = 82,288,128.74/10,431.96
  6. Step 6: Final answer
    x = 7,888.08

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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.