Home / 12,875.56-19,288.82-7,332.73

Finding the Fourth Proportional to 12,875.56, 19,288.82 and 7,332.73

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Solution

The fourth proportional to 12,875.56, 19,288.82 and 7,332.73 is: 10,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.56 : 19,288.82 = 7,332.73 : x
  2. Step 2: Convert to fraction form
    12,875.56/19,288.82 = 7,332.73/x
  3. Step 3: Cross multiply
    12,875.56x = 19,288.82 × 7,332.73
  4. Step 4: Simplify right side
    12,875.56x = 141,439,679.19
  5. Step 5: Solve for x
    x = 141,439,679.19/12,875.56
  6. Step 6: Final answer
    x = 10,985.13

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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.