Home / 21,011.18-29,002.74-14,297.10

Finding the Fourth Proportional to 21,011.18, 29,002.74 and 14,297.10

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Solution

The fourth proportional to 21,011.18, 29,002.74 and 14,297.10 is: 19,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,011.18 : 29,002.74 = 14,297.10 : x
  2. Step 2: Convert to fraction form
    21,011.18/29,002.74 = 14,297.10/x
  3. Step 3: Cross multiply
    21,011.18x = 29,002.74 × 14,297.10
  4. Step 4: Simplify right side
    21,011.18x = 414,655,074.05
  5. Step 5: Solve for x
    x = 414,655,074.05/21,011.18
  6. Step 6: Final answer
    x = 19,734.97

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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.