Home / 21,499.02-29,668.14-12,070.62

Finding the Fourth Proportional to 21,499.02, 29,668.14 and 12,070.62

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Solution

The fourth proportional to 21,499.02, 29,668.14 and 12,070.62 is: 16,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,499.02 : 29,668.14 = 12,070.62 : x
  2. Step 2: Convert to fraction form
    21,499.02/29,668.14 = 12,070.62/x
  3. Step 3: Cross multiply
    21,499.02x = 29,668.14 × 12,070.62
  4. Step 4: Simplify right side
    21,499.02x = 358,112,844.05
  5. Step 5: Solve for x
    x = 358,112,844.05/21,499.02
  6. Step 6: Final answer
    x = 16,657.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.