Home / 15,267.32-21,070.77-9,299.86

Finding the Fourth Proportional to 15,267.32, 21,070.77 and 9,299.86

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Solution

The fourth proportional to 15,267.32, 21,070.77 and 9,299.86 is: 12,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.32 : 21,070.77 = 9,299.86 : x
  2. Step 2: Convert to fraction form
    15,267.32/21,070.77 = 9,299.86/x
  3. Step 3: Cross multiply
    15,267.32x = 21,070.77 × 9,299.86
  4. Step 4: Simplify right side
    15,267.32x = 195,955,211.09
  5. Step 5: Solve for x
    x = 195,955,211.09/15,267.32
  6. Step 6: Final answer
    x = 12,834.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.