Home / 15,491.73-21,385.14-10,462.77

Finding the Fourth Proportional to 15,491.73, 21,385.14 and 10,462.77

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Solution

The fourth proportional to 15,491.73, 21,385.14 and 10,462.77 is: 14,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.73 : 21,385.14 = 10,462.77 : x
  2. Step 2: Convert to fraction form
    15,491.73/21,385.14 = 10,462.77/x
  3. Step 3: Cross multiply
    15,491.73x = 21,385.14 × 10,462.77
  4. Step 4: Simplify right side
    15,491.73x = 223,747,722.19
  5. Step 5: Solve for x
    x = 223,747,722.19/15,491.73
  6. Step 6: Final answer
    x = 14,443.04

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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.