Home / 13,175.18-19,751.67-6,151.50

Finding the Fourth Proportional to 13,175.18, 19,751.67 and 6,151.50

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Solution

The fourth proportional to 13,175.18, 19,751.67 and 6,151.50 is: 9,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.18 : 19,751.67 = 6,151.50 : x
  2. Step 2: Convert to fraction form
    13,175.18/19,751.67 = 6,151.50/x
  3. Step 3: Cross multiply
    13,175.18x = 19,751.67 × 6,151.50
  4. Step 4: Simplify right side
    13,175.18x = 121,502,398.01
  5. Step 5: Solve for x
    x = 121,502,398.01/13,175.18
  6. Step 6: Final answer
    x = 9,222.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.