Home / 13,066.86-18,032.67-7,479.66

Finding the Fourth Proportional to 13,066.86, 18,032.67 and 7,479.66

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Solution

The fourth proportional to 13,066.86, 18,032.67 and 7,479.66 is: 10,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.86 : 18,032.67 = 7,479.66 : x
  2. Step 2: Convert to fraction form
    13,066.86/18,032.67 = 7,479.66/x
  3. Step 3: Cross multiply
    13,066.86x = 18,032.67 × 7,479.66
  4. Step 4: Simplify right side
    13,066.86x = 134,878,240.49
  5. Step 5: Solve for x
    x = 134,878,240.49/13,066.86
  6. Step 6: Final answer
    x = 10,322.16

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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.