Home / 13,079.24-18,054.59-8,045.49

Finding the Fourth Proportional to 13,079.24, 18,054.59 and 8,045.49

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Solution

The fourth proportional to 13,079.24, 18,054.59 and 8,045.49 is: 11,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.24 : 18,054.59 = 8,045.49 : x
  2. Step 2: Convert to fraction form
    13,079.24/18,054.59 = 8,045.49/x
  3. Step 3: Cross multiply
    13,079.24x = 18,054.59 × 8,045.49
  4. Step 4: Simplify right side
    13,079.24x = 145,257,983.07
  5. Step 5: Solve for x
    x = 145,257,983.07/13,079.24
  6. Step 6: Final answer
    x = 11,106.00

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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.