Home / 13,646.65-18,831.35-7,677.16

Finding the Fourth Proportional to 13,646.65, 18,831.35 and 7,677.16

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Solution

The fourth proportional to 13,646.65, 18,831.35 and 7,677.16 is: 10,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.65 : 18,831.35 = 7,677.16 : x
  2. Step 2: Convert to fraction form
    13,646.65/18,831.35 = 7,677.16/x
  3. Step 3: Cross multiply
    13,646.65x = 18,831.35 × 7,677.16
  4. Step 4: Simplify right side
    13,646.65x = 144,571,286.97
  5. Step 5: Solve for x
    x = 144,571,286.97/13,646.65
  6. Step 6: Final answer
    x = 10,593.91

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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.