Home / 21,498.06-29,668.64-12,066.63

Finding the Fourth Proportional to 21,498.06, 29,668.64 and 12,066.63

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Solution

The fourth proportional to 21,498.06, 29,668.64 and 12,066.63 is: 16,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.06 : 29,668.64 = 12,066.63 : x
  2. Step 2: Convert to fraction form
    21,498.06/29,668.64 = 12,066.63/x
  3. Step 3: Cross multiply
    21,498.06x = 29,668.64 × 12,066.63
  4. Step 4: Simplify right side
    21,498.06x = 358,000,501.48
  5. Step 5: Solve for x
    x = 358,000,501.48/21,498.06
  6. Step 6: Final answer
    x = 16,652.69

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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.