Home / 14,270.34-21,406.95-5,383.44

Finding the Fourth Proportional to 14,270.34, 21,406.95 and 5,383.44

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Solution

The fourth proportional to 14,270.34, 21,406.95 and 5,383.44 is: 8,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.34 : 21,406.95 = 5,383.44 : x
  2. Step 2: Convert to fraction form
    14,270.34/21,406.95 = 5,383.44/x
  3. Step 3: Cross multiply
    14,270.34x = 21,406.95 × 5,383.44
  4. Step 4: Simplify right side
    14,270.34x = 115,243,030.91
  5. Step 5: Solve for x
    x = 115,243,030.91/14,270.34
  6. Step 6: Final answer
    x = 8,075.70

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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.