Home / 19,288.86-28,931.79-7,602.18

Finding the Fourth Proportional to 19,288.86, 28,931.79 and 7,602.18

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Solution

The fourth proportional to 19,288.86, 28,931.79 and 7,602.18 is: 11,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.86 : 28,931.79 = 7,602.18 : x
  2. Step 2: Convert to fraction form
    19,288.86/28,931.79 = 7,602.18/x
  3. Step 3: Cross multiply
    19,288.86x = 28,931.79 × 7,602.18
  4. Step 4: Simplify right side
    19,288.86x = 219,944,675.30
  5. Step 5: Solve for x
    x = 219,944,675.30/19,288.86
  6. Step 6: Final answer
    x = 11,402.68

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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.