Home / 12,837.52-19,271.64-7,645.84

Finding the Fourth Proportional to 12,837.52, 19,271.64 and 7,645.84

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Solution

The fourth proportional to 12,837.52, 19,271.64 and 7,645.84 is: 11,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.52 : 19,271.64 = 7,645.84 : x
  2. Step 2: Convert to fraction form
    12,837.52/19,271.64 = 7,645.84/x
  3. Step 3: Cross multiply
    12,837.52x = 19,271.64 × 7,645.84
  4. Step 4: Simplify right side
    12,837.52x = 147,347,875.98
  5. Step 5: Solve for x
    x = 147,347,875.98/12,837.52
  6. Step 6: Final answer
    x = 11,477.91

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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.