Home / 13,175.04-19,719.60-7,162.08

Finding the Fourth Proportional to 13,175.04, 19,719.60 and 7,162.08

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Solution

The fourth proportional to 13,175.04, 19,719.60 and 7,162.08 is: 10,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.04 : 19,719.60 = 7,162.08 : x
  2. Step 2: Convert to fraction form
    13,175.04/19,719.60 = 7,162.08/x
  3. Step 3: Cross multiply
    13,175.04x = 19,719.60 × 7,162.08
  4. Step 4: Simplify right side
    13,175.04x = 141,233,352.77
  5. Step 5: Solve for x
    x = 141,233,352.77/13,175.04
  6. Step 6: Final answer
    x = 10,719.77

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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.