Home / 13,117.05-18,079.91-9,283.74

Finding the Fourth Proportional to 13,117.05, 18,079.91 and 9,283.74

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Solution

The fourth proportional to 13,117.05, 18,079.91 and 9,283.74 is: 12,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.05 : 18,079.91 = 9,283.74 : x
  2. Step 2: Convert to fraction form
    13,117.05/18,079.91 = 9,283.74/x
  3. Step 3: Cross multiply
    13,117.05x = 18,079.91 × 9,283.74
  4. Step 4: Simplify right side
    13,117.05x = 167,849,137.24
  5. Step 5: Solve for x
    x = 167,849,137.24/13,117.05
  6. Step 6: Final answer
    x = 12,796.26

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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.