Home / 14,259.84-21,337.20-8,904.36

Finding the Fourth Proportional to 14,259.84, 21,337.20 and 8,904.36

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Solution

The fourth proportional to 14,259.84, 21,337.20 and 8,904.36 is: 13,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.84 : 21,337.20 = 8,904.36 : x
  2. Step 2: Convert to fraction form
    14,259.84/21,337.20 = 8,904.36/x
  3. Step 3: Cross multiply
    14,259.84x = 21,337.20 × 8,904.36
  4. Step 4: Simplify right side
    14,259.84x = 189,994,110.19
  5. Step 5: Solve for x
    x = 189,994,110.19/14,259.84
  6. Step 6: Final answer
    x = 13,323.72

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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.