Home / 14,392.80-21,595.47-5,039.54

Finding the Fourth Proportional to 14,392.80, 21,595.47 and 5,039.54

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Solution

The fourth proportional to 14,392.80, 21,595.47 and 5,039.54 is: 7,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.80 : 21,595.47 = 5,039.54 : x
  2. Step 2: Convert to fraction form
    14,392.80/21,595.47 = 5,039.54/x
  3. Step 3: Cross multiply
    14,392.80x = 21,595.47 × 5,039.54
  4. Step 4: Simplify right side
    14,392.80x = 108,831,126.91
  5. Step 5: Solve for x
    x = 108,831,126.91/14,392.80
  6. Step 6: Final answer
    x = 7,561.50

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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.