Home / 14,159.13-21,239.01-5,152.95

Finding the Fourth Proportional to 14,159.13, 21,239.01 and 5,152.95

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Solution

The fourth proportional to 14,159.13, 21,239.01 and 5,152.95 is: 7,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.13 : 21,239.01 = 5,152.95 : x
  2. Step 2: Convert to fraction form
    14,159.13/21,239.01 = 5,152.95/x
  3. Step 3: Cross multiply
    14,159.13x = 21,239.01 × 5,152.95
  4. Step 4: Simplify right side
    14,159.13x = 109,443,556.58
  5. Step 5: Solve for x
    x = 109,443,556.58/14,159.13
  6. Step 6: Final answer
    x = 7,729.54

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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.