Home / 11,332.19-15,639.47-6,857.04

Finding the Fourth Proportional to 11,332.19, 15,639.47 and 6,857.04

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Solution

The fourth proportional to 11,332.19, 15,639.47 and 6,857.04 is: 9,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.19 : 15,639.47 = 6,857.04 : x
  2. Step 2: Convert to fraction form
    11,332.19/15,639.47 = 6,857.04/x
  3. Step 3: Cross multiply
    11,332.19x = 15,639.47 × 6,857.04
  4. Step 4: Simplify right side
    11,332.19x = 107,240,471.37
  5. Step 5: Solve for x
    x = 107,240,471.37/11,332.19
  6. Step 6: Final answer
    x = 9,463.35

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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.