Home / 14,292.48-21,438.08-3,904.24

Finding the Fourth Proportional to 14,292.48, 21,438.08 and 3,904.24

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Solution

The fourth proportional to 14,292.48, 21,438.08 and 3,904.24 is: 5,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.48 : 21,438.08 = 3,904.24 : x
  2. Step 2: Convert to fraction form
    14,292.48/21,438.08 = 3,904.24/x
  3. Step 3: Cross multiply
    14,292.48x = 21,438.08 × 3,904.24
  4. Step 4: Simplify right side
    14,292.48x = 83,699,409.46
  5. Step 5: Solve for x
    x = 83,699,409.46/14,292.48
  6. Step 6: Final answer
    x = 5,856.19

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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.