Home / 13,074.12-19,595.28-7,531.32

Finding the Fourth Proportional to 13,074.12, 19,595.28 and 7,531.32

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Solution

The fourth proportional to 13,074.12, 19,595.28 and 7,531.32 is: 11,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.12 : 19,595.28 = 7,531.32 : x
  2. Step 2: Convert to fraction form
    13,074.12/19,595.28 = 7,531.32/x
  3. Step 3: Cross multiply
    13,074.12x = 19,595.28 × 7,531.32
  4. Step 4: Simplify right side
    13,074.12x = 147,578,324.17
  5. Step 5: Solve for x
    x = 147,578,324.17/13,074.12
  6. Step 6: Final answer
    x = 11,287.82

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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.