Home / 21,497.56-29,666.60-12,066.10

Finding the Fourth Proportional to 21,497.56, 29,666.60 and 12,066.10

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Solution

The fourth proportional to 21,497.56, 29,666.60 and 12,066.10 is: 16,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.56 : 29,666.60 = 12,066.10 : x
  2. Step 2: Convert to fraction form
    21,497.56/29,666.60 = 12,066.10/x
  3. Step 3: Cross multiply
    21,497.56x = 29,666.60 × 12,066.10
  4. Step 4: Simplify right side
    21,497.56x = 357,960,162.26
  5. Step 5: Solve for x
    x = 357,960,162.26/21,497.56
  6. Step 6: Final answer
    x = 16,651.20

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1.5x scale

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.