Home / 19,267.86-28,901.66-9,910.49

Finding the Fourth Proportional to 19,267.86, 28,901.66 and 9,910.49

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Solution

The fourth proportional to 19,267.86, 28,901.66 and 9,910.49 is: 14,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.86 : 28,901.66 = 9,910.49 : x
  2. Step 2: Convert to fraction form
    19,267.86/28,901.66 = 9,910.49/x
  3. Step 3: Cross multiply
    19,267.86x = 28,901.66 × 9,910.49
  4. Step 4: Simplify right side
    19,267.86x = 286,429,474.10
  5. Step 5: Solve for x
    x = 286,429,474.10/19,267.86
  6. Step 6: Final answer
    x = 14,865.66

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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.