Home / 14,036.66-21,070.14-12,486.59

Finding the Fourth Proportional to 14,036.66, 21,070.14 and 12,486.59

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Solution

The fourth proportional to 14,036.66, 21,070.14 and 12,486.59 is: 18,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.66 : 21,070.14 = 12,486.59 : x
  2. Step 2: Convert to fraction form
    14,036.66/21,070.14 = 12,486.59/x
  3. Step 3: Cross multiply
    14,036.66x = 21,070.14 × 12,486.59
  4. Step 4: Simplify right side
    14,036.66x = 263,094,031.64
  5. Step 5: Solve for x
    x = 263,094,031.64/14,036.66
  6. Step 6: Final answer
    x = 18,743.36

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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.