Home / 10,571.81-15,857.52-4,248.13

Finding the Fourth Proportional to 10,571.81, 15,857.52 and 4,248.13

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Solution

The fourth proportional to 10,571.81, 15,857.52 and 4,248.13 is: 6,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.81 : 15,857.52 = 4,248.13 : x
  2. Step 2: Convert to fraction form
    10,571.81/15,857.52 = 4,248.13/x
  3. Step 3: Cross multiply
    10,571.81x = 15,857.52 × 4,248.13
  4. Step 4: Simplify right side
    10,571.81x = 67,364,844.51
  5. Step 5: Solve for x
    x = 67,364,844.51/10,571.81
  6. Step 6: Final answer
    x = 6,372.12

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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.