Home / 21,207.44-29,266.02-12,254.91

Finding the Fourth Proportional to 21,207.44, 29,266.02 and 12,254.91

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Solution

The fourth proportional to 21,207.44, 29,266.02 and 12,254.91 is: 16,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,207.44 : 29,266.02 = 12,254.91 : x
  2. Step 2: Convert to fraction form
    21,207.44/29,266.02 = 12,254.91/x
  3. Step 3: Cross multiply
    21,207.44x = 29,266.02 × 12,254.91
  4. Step 4: Simplify right side
    21,207.44x = 358,652,441.16
  5. Step 5: Solve for x
    x = 358,652,441.16/21,207.44
  6. Step 6: Final answer
    x = 16,911.64

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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.